19187280

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 280

約数和(自身を含む): 78066432

約数和(自身を除く): 58879152

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 94, 105, 108, 112, 120, 126, 135, 140, 141, 144, 162, 168, 180, 188, 189, 210, 216, 235, 240, 243, 252, 270, 280, 282, 315, 324, 329, 336, 360, 376, 378, 405, 420, 423, 432, 470, 486, 504, 540, 560, 564, 567, 630, 648, 658, 705, 720, 729, 752, 756, 810, 840, 846, 940, 945, 972, 987, 1008, 1080, 1128, 1134, 1215, 1260, 1269, 1296, 1316, 1410, 1458, 1512, 1620, 1645, 1680, 1692, 1701, 1880, 1890, 1944, 1974, 2115, 2160, 2256, 2268, 2430, 2520, 2538, 2632, 2820, 2835, 2916, 2961, 3024, 3240, 3290, 3384, 3402, 3645, 3760, 3780, 3807, 3888, 3948, 4230, 4536, 4860, 4935, 5040, 5076, 5103, 5264, 5640, 5670, 5832, 5922, 6345, 6480, 6580, 6768, 6804, 7290, 7560, 7614, 7896, 8460, 8505, 8883, 9072, 9720, 9870, 10152, 10206, 11280, 11340, 11421, 11664, 11844, 12690, 13160, 13608, 14580, 14805, 15120, 15228, 15792, 16920, 17010, 17766, 19035, 19440, 19740, 20304, 20412, 22680, 22842, 23688, 25380, 25515, 26320, 26649, 27216, 29160, 29610, 30456, 33840, 34020, 34263, 35532, 38070, 39480, 40824, 44415, 45360, 45684, 47376, 50760, 51030, 53298, 57105, 58320, 59220, 60912, 68040, 68526, 71064, 76140, 78960, 79947, 81648, 88830, 91368, 101520, 102060, 106596, 114210, 118440, 133245, 136080, 137052, 142128, 152280, 159894, 171315, 177660, 182736, 204120, 213192, 228420, 236880, 239841, 266490, 274104, 304560, 319788, 342630, 355320, 399735, 408240, 426384, 456840, 479682, 532980, 548208, 639576, 685260, 710640, 799470, 913680, 959364, 1065960, 1199205, 1279152, 1370520, 1598940, 1918728, 2131920, 2398410, 2741040, 3197880, 3837456, 4796820, 6395760, 9593640, 19187280]

約数ペア:

[(1, 19187280), (2, 9593640), (3, 6395760), (4, 4796820), (5, 3837456), (6, 3197880), (7, 2741040), (8, 2398410), (9, 2131920), (10, 1918728), (12, 1598940), (14, 1370520), (15, 1279152), (16, 1199205), (18, 1065960), (20, 959364), (21, 913680), (24, 799470), (27, 710640), (28, 685260), (30, 639576), (35, 548208), (36, 532980), (40, 479682), (42, 456840), (45, 426384), (47, 408240), (48, 399735), (54, 355320), (56, 342630), (60, 319788), (63, 304560), (70, 274104), (72, 266490), (80, 239841), (81, 236880), (84, 228420), (90, 213192), (94, 204120), (105, 182736), (108, 177660), (112, 171315), (120, 159894), (126, 152280), (135, 142128), (140, 137052), (141, 136080), (144, 133245), (162, 118440), (168, 114210), (180, 106596), (188, 102060), (189, 101520), (210, 91368), (216, 88830), (235, 81648), (240, 79947), (243, 78960), (252, 76140), (270, 71064), (280, 68526), (282, 68040), (315, 60912), (324, 59220), (329, 58320), (336, 57105), (360, 53298), (376, 51030), (378, 50760), (405, 47376), (420, 45684), (423, 45360), (432, 44415), (470, 40824), (486, 39480), (504, 38070), (540, 35532), (560, 34263), (564, 34020), (567, 33840), (630, 30456), (648, 29610), (658, 29160), (705, 27216), (720, 26649), (729, 26320), (752, 25515), (756, 25380), (810, 23688), (840, 22842), (846, 22680), (940, 20412), (945, 20304), (972, 19740), (987, 19440), (1008, 19035), (1080, 17766), (1128, 17010), (1134, 16920), (1215, 15792), (1260, 15228), (1269, 15120), (1296, 14805), (1316, 14580), (1410, 13608), (1458, 13160), (1512, 12690), (1620, 11844), (1645, 11664), (1680, 11421), (1692, 11340), (1701, 11280), (1880, 10206), (1890, 10152), (1944, 9870), (1974, 9720), (2115, 9072), (2160, 8883), (2256, 8505), (2268, 8460), (2430, 7896), (2520, 7614), (2538, 7560), (2632, 7290), (2820, 6804), (2835, 6768), (2916, 6580), (2961, 6480), (3024, 6345), (3240, 5922), (3290, 5832), (3384, 5670), (3402, 5640), (3645, 5264), (3760, 5103), (3780, 5076), (3807, 5040), (3888, 4935), (3948, 4860), (4230, 4536)]