18988289880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1559

約数の個数: 384

約数和(自身を含む): 69388462080

約数和(自身を除く): 50400172200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 73, 84, 93, 98, 105, 120, 124, 140, 146, 147, 155, 168, 186, 196, 210, 217, 219, 245, 248, 280, 292, 294, 310, 365, 372, 392, 420, 434, 438, 465, 490, 511, 584, 588, 620, 651, 730, 735, 744, 840, 868, 876, 930, 980, 1022, 1085, 1095, 1176, 1240, 1302, 1427, 1460, 1470, 1519, 1533, 1736, 1752, 1860, 1960, 2044, 2170, 2190, 2263, 2555, 2604, 2854, 2920, 2940, 3038, 3066, 3255, 3577, 3720, 4088, 4281, 4340, 4380, 4526, 4557, 5110, 5208, 5708, 5880, 6076, 6132, 6510, 6789, 7135, 7154, 7595, 7665, 8562, 8680, 8760, 9052, 9114, 9989, 10220, 10731, 11315, 11416, 12152, 12264, 13020, 13578, 14270, 14308, 15190, 15330, 15841, 17124, 17885, 18104, 18228, 19978, 20440, 21405, 21462, 22630, 22785, 26040, 27156, 28540, 28616, 29967, 30380, 30660, 31682, 33945, 34248, 35770, 36456, 39956, 42810, 42924, 44237, 45260, 45570, 47523, 49945, 53655, 54312, 57080, 59934, 60760, 61320, 63364, 67890, 69923, 71540, 79205, 79912, 85620, 85848, 88474, 90520, 91140, 95046, 99890, 104171, 107310, 110887, 119868, 126728, 132711, 135780, 139846, 143080, 149835, 158410, 171240, 176948, 182280, 190092, 199780, 208342, 209769, 214620, 221185, 221774, 237615, 239736, 265422, 271560, 279692, 299670, 309659, 312513, 316820, 332661, 349615, 353896, 380184, 399560, 416684, 419538, 429240, 442370, 443548, 475230, 520855, 530844, 554435, 559384, 599340, 619318, 625026, 633640, 663555, 665322, 699230, 729197, 833368, 839076, 884740, 887096, 928977, 950460, 1041710, 1048845, 1061688, 1108870, 1198680, 1238636, 1250052, 1327110, 1330644, 1398460, 1458394, 1548295, 1562565, 1663305, 1678152, 1769480, 1857954, 1900920, 2083420, 2097690, 2167613, 2187591, 2217740, 2477272, 2500104, 2654220, 2661288, 2796920, 2916788, 3096590, 3125130, 3229301, 3326610, 3645985, 3715908, 4166840, 4195380, 4335226, 4375182, 4435480, 4644885, 5104379, 5308440, 5833576, 6193180, 6250260, 6458602, 6502839, 6653220, 7291970, 7431816, 8390760, 8670452, 8750364, 9289770, 9687903, 10208758, 10838065, 10937955, 12386360, 12500520, 12917204, 13005678, 13306440, 14583940, 15313137, 16146505, 17340904, 17500728, 18579540, 19375806, 20417516, 21676130, 21875910, 22605107, 25521895, 25834408, 26011356, 29167880, 30626274, 32293010, 32514195, 37159080, 38751612, 40835032, 43352260, 43751820, 45210214, 48439515, 51043790, 52022712, 61252548, 64586020, 65028390, 67815321, 76565685, 77503224, 86704520, 87503640, 90420428, 96879030, 102087580, 113025535, 122505096, 129172040, 130056780, 135630642, 153131370, 158235749, 180840856, 193758060, 204175160, 226051070, 260113560, 271261284, 306262740, 316471498, 339076605, 387516120, 452102140, 474707247, 542522568, 612525480, 632942996, 678153210, 791178745, 904204280, 949414494, 1265885992, 1356306420, 1582357490, 1898828988, 2373536235, 2712612840, 3164714980, 3797657976, 4747072470, 6329429960, 9494144940, 18988289880]

約数ペア:

[(1, 18988289880), (2, 9494144940), (3, 6329429960), (4, 4747072470), (5, 3797657976), (6, 3164714980), (7, 2712612840), (8, 2373536235), (10, 1898828988), (12, 1582357490), (14, 1356306420), (15, 1265885992), (20, 949414494), (21, 904204280), (24, 791178745), (28, 678153210), (30, 632942996), (31, 612525480), (35, 542522568), (40, 474707247), (42, 452102140), (49, 387516120), (56, 339076605), (60, 316471498), (62, 306262740), (70, 271261284), (73, 260113560), (84, 226051070), (93, 204175160), (98, 193758060), (105, 180840856), (120, 158235749), (124, 153131370), (140, 135630642), (146, 130056780), (147, 129172040), (155, 122505096), (168, 113025535), (186, 102087580), (196, 96879030), (210, 90420428), (217, 87503640), (219, 86704520), (245, 77503224), (248, 76565685), (280, 67815321), (292, 65028390), (294, 64586020), (310, 61252548), (365, 52022712), (372, 51043790), (392, 48439515), (420, 45210214), (434, 43751820), (438, 43352260), (465, 40835032), (490, 38751612), (511, 37159080), (584, 32514195), (588, 32293010), (620, 30626274), (651, 29167880), (730, 26011356), (735, 25834408), (744, 25521895), (840, 22605107), (868, 21875910), (876, 21676130), (930, 20417516), (980, 19375806), (1022, 18579540), (1085, 17500728), (1095, 17340904), (1176, 16146505), (1240, 15313137), (1302, 14583940), (1427, 13306440), (1460, 13005678), (1470, 12917204), (1519, 12500520), (1533, 12386360), (1736, 10937955), (1752, 10838065), (1860, 10208758), (1960, 9687903), (2044, 9289770), (2170, 8750364), (2190, 8670452), (2263, 8390760), (2555, 7431816), (2604, 7291970), (2854, 6653220), (2920, 6502839), (2940, 6458602), (3038, 6250260), (3066, 6193180), (3255, 5833576), (3577, 5308440), (3720, 5104379), (4088, 4644885), (4281, 4435480), (4340, 4375182), (4380, 4335226), (4526, 4195380), (4557, 4166840), (5110, 3715908), (5208, 3645985), (5708, 3326610), (5880, 3229301), (6076, 3125130), (6132, 3096590), (6510, 2916788), (6789, 2796920), (7135, 2661288), (7154, 2654220), (7595, 2500104), (7665, 2477272), (8562, 2217740), (8680, 2187591), (8760, 2167613), (9052, 2097690), (9114, 2083420), (9989, 1900920), (10220, 1857954), (10731, 1769480), (11315, 1678152), (11416, 1663305), (12152, 1562565), (12264, 1548295), (13020, 1458394), (13578, 1398460), (14270, 1330644), (14308, 1327110), (15190, 1250052), (15330, 1238636), (15841, 1198680), (17124, 1108870), (17885, 1061688), (18104, 1048845), (18228, 1041710), (19978, 950460), (20440, 928977), (21405, 887096), (21462, 884740), (22630, 839076), (22785, 833368), (26040, 729197), (27156, 699230), (28540, 665322), (28616, 663555), (29967, 633640), (30380, 625026), (30660, 619318), (31682, 599340), (33945, 559384), (34248, 554435), (35770, 530844), (36456, 520855), (39956, 475230), (42810, 443548), (42924, 442370), (44237, 429240), (45260, 419538), (45570, 416684), (47523, 399560), (49945, 380184), (53655, 353896), (54312, 349615), (57080, 332661), (59934, 316820), (60760, 312513), (61320, 309659), (63364, 299670), (67890, 279692), (69923, 271560), (71540, 265422), (79205, 239736), (79912, 237615), (85620, 221774), (85848, 221185), (88474, 214620), (90520, 209769), (91140, 208342), (95046, 199780), (99890, 190092), (104171, 182280), (107310, 176948), (110887, 171240), (119868, 158410), (126728, 149835), (132711, 143080), (135780, 139846)]