639442440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 384

約数和(自身を含む): 2594592000

約数和(自身を除く): 1955149560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 131, 140, 149, 156, 168, 180, 182, 195, 210, 234, 252, 260, 262, 273, 280, 298, 312, 315, 360, 364, 390, 393, 420, 447, 455, 468, 504, 520, 524, 546, 585, 596, 630, 655, 728, 745, 780, 786, 819, 840, 894, 910, 917, 936, 1043, 1048, 1092, 1170, 1179, 1192, 1260, 1310, 1341, 1365, 1490, 1560, 1572, 1638, 1703, 1788, 1820, 1834, 1937, 1965, 2086, 2184, 2235, 2340, 2358, 2520, 2620, 2682, 2730, 2751, 2980, 3129, 3144, 3276, 3406, 3576, 3640, 3668, 3874, 3930, 4095, 4172, 4470, 4585, 4680, 4716, 5109, 5215, 5240, 5364, 5460, 5502, 5811, 5895, 5960, 6258, 6552, 6705, 6812, 7336, 7748, 7860, 8190, 8253, 8344, 8515, 8940, 9170, 9387, 9432, 9685, 10218, 10430, 10728, 10920, 11004, 11622, 11790, 11921, 12516, 13410, 13559, 13624, 13755, 15327, 15496, 15645, 15720, 16380, 16506, 17030, 17433, 17880, 18340, 18774, 19370, 19519, 20436, 20860, 22008, 23244, 23580, 23842, 25032, 25545, 26820, 27118, 27510, 29055, 30654, 31290, 32760, 33012, 34060, 34866, 35763, 36680, 37548, 38740, 39038, 40677, 40872, 41265, 41720, 46488, 46935, 47160, 47684, 51090, 53640, 54236, 55020, 58110, 58557, 59605, 61308, 62580, 66024, 67795, 68120, 69732, 71526, 75096, 76635, 77480, 78076, 81354, 82530, 87165, 93870, 95368, 97595, 102180, 107289, 108472, 110040, 116220, 117114, 119210, 122031, 122616, 125160, 135590, 136633, 139464, 143052, 153270, 156152, 162708, 165060, 174330, 175671, 178815, 187740, 195190, 203385, 204360, 214578, 232440, 234228, 238420, 244062, 253747, 271180, 273266, 286104, 292785, 306540, 325416, 330120, 348660, 351342, 357630, 375480, 390380, 406770, 409899, 429156, 468456, 476840, 488124, 507494, 536445, 542360, 546532, 585570, 610155, 613080, 683165, 697320, 702684, 715260, 761241, 780760, 813540, 819798, 858312, 878355, 976248, 1014988, 1072890, 1093064, 1171140, 1220310, 1229697, 1268735, 1366330, 1405368, 1430520, 1522482, 1627080, 1639596, 1756710, 1776229, 2029976, 2049495, 2145780, 2283723, 2342280, 2440620, 2459394, 2537470, 2732660, 3044964, 3279192, 3513420, 3552458, 3806205, 4098990, 4291560, 4567446, 4881240, 4918788, 5074940, 5328687, 5465320, 6089928, 6148485, 7026840, 7104916, 7612410, 8197980, 8881145, 9134892, 9837576, 10149880, 10657374, 11418615, 12296970, 14209832, 15224820, 15986061, 16395960, 17762290, 18269784, 21314748, 22837230, 24593940, 26643435, 30449640, 31972122, 35524580, 42629496, 45674460, 49187880, 53286870, 63944244, 71049160, 79930305, 91348920, 106573740, 127888488, 159860610, 213147480, 319721220, 639442440]

約数ペア:

[(1, 639442440), (2, 319721220), (3, 213147480), (4, 159860610), (5, 127888488), (6, 106573740), (7, 91348920), (8, 79930305), (9, 71049160), (10, 63944244), (12, 53286870), (13, 49187880), (14, 45674460), (15, 42629496), (18, 35524580), (20, 31972122), (21, 30449640), (24, 26643435), (26, 24593940), (28, 22837230), (30, 21314748), (35, 18269784), (36, 17762290), (39, 16395960), (40, 15986061), (42, 15224820), (45, 14209832), (52, 12296970), (56, 11418615), (60, 10657374), (63, 10149880), (65, 9837576), (70, 9134892), (72, 8881145), (78, 8197980), (84, 7612410), (90, 7104916), (91, 7026840), (104, 6148485), (105, 6089928), (117, 5465320), (120, 5328687), (126, 5074940), (130, 4918788), (131, 4881240), (140, 4567446), (149, 4291560), (156, 4098990), (168, 3806205), (180, 3552458), (182, 3513420), (195, 3279192), (210, 3044964), (234, 2732660), (252, 2537470), (260, 2459394), (262, 2440620), (273, 2342280), (280, 2283723), (298, 2145780), (312, 2049495), (315, 2029976), (360, 1776229), (364, 1756710), (390, 1639596), (393, 1627080), (420, 1522482), (447, 1430520), (455, 1405368), (468, 1366330), (504, 1268735), (520, 1229697), (524, 1220310), (546, 1171140), (585, 1093064), (596, 1072890), (630, 1014988), (655, 976248), (728, 878355), (745, 858312), (780, 819798), (786, 813540), (819, 780760), (840, 761241), (894, 715260), (910, 702684), (917, 697320), (936, 683165), (1043, 613080), (1048, 610155), (1092, 585570), (1170, 546532), (1179, 542360), (1192, 536445), (1260, 507494), (1310, 488124), (1341, 476840), (1365, 468456), (1490, 429156), (1560, 409899), (1572, 406770), (1638, 390380), (1703, 375480), (1788, 357630), (1820, 351342), (1834, 348660), (1937, 330120), (1965, 325416), (2086, 306540), (2184, 292785), (2235, 286104), (2340, 273266), (2358, 271180), (2520, 253747), (2620, 244062), (2682, 238420), (2730, 234228), (2751, 232440), (2980, 214578), (3129, 204360), (3144, 203385), (3276, 195190), (3406, 187740), (3576, 178815), (3640, 175671), (3668, 174330), (3874, 165060), (3930, 162708), (4095, 156152), (4172, 153270), (4470, 143052), (4585, 139464), (4680, 136633), (4716, 135590), (5109, 125160), (5215, 122616), (5240, 122031), (5364, 119210), (5460, 117114), (5502, 116220), (5811, 110040), (5895, 108472), (5960, 107289), (6258, 102180), (6552, 97595), (6705, 95368), (6812, 93870), (7336, 87165), (7748, 82530), (7860, 81354), (8190, 78076), (8253, 77480), (8344, 76635), (8515, 75096), (8940, 71526), (9170, 69732), (9387, 68120), (9432, 67795), (9685, 66024), (10218, 62580), (10430, 61308), (10728, 59605), (10920, 58557), (11004, 58110), (11622, 55020), (11790, 54236), (11921, 53640), (12516, 51090), (13410, 47684), (13559, 47160), (13624, 46935), (13755, 46488), (15327, 41720), (15496, 41265), (15645, 40872), (15720, 40677), (16380, 39038), (16506, 38740), (17030, 37548), (17433, 36680), (17880, 35763), (18340, 34866), (18774, 34060), (19370, 33012), (19519, 32760), (20436, 31290), (20860, 30654), (22008, 29055), (23244, 27510), (23580, 27118), (23842, 26820), (25032, 25545)]