31793580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 192

約数和(自身を含む): 121927680

約数和(自身を除く): 90134100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 647, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1294, 1365, 1404, 1638, 1755, 1820, 1890, 1941, 2340, 2457, 2588, 2730, 3235, 3276, 3510, 3780, 3882, 4095, 4529, 4914, 5460, 5823, 6470, 7020, 7764, 8190, 8411, 9058, 9705, 9828, 11646, 12285, 12940, 13587, 16380, 16822, 17469, 18116, 19410, 22645, 23292, 24570, 25233, 27174, 29115, 33644, 34938, 38820, 40761, 42055, 45290, 49140, 50466, 54348, 58230, 58877, 67935, 69876, 75699, 81522, 84110, 87345, 90580, 100932, 116460, 117754, 122283, 126165, 135870, 151398, 163044, 168220, 174690, 176631, 203805, 227097, 235508, 244566, 252330, 271740, 294385, 302796, 349380, 353262, 378495, 407610, 454194, 489132, 504660, 529893, 588770, 611415, 706524, 756990, 815220, 883155, 908388, 1059786, 1135485, 1177540, 1222830, 1513980, 1589679, 1766310, 2119572, 2270970, 2445660, 2649465, 3179358, 3532620, 4541940, 5298930, 6358716, 7948395, 10597860, 15896790, 31793580]

約数ペア:

[(1, 31793580), (2, 15896790), (3, 10597860), (4, 7948395), (5, 6358716), (6, 5298930), (7, 4541940), (9, 3532620), (10, 3179358), (12, 2649465), (13, 2445660), (14, 2270970), (15, 2119572), (18, 1766310), (20, 1589679), (21, 1513980), (26, 1222830), (27, 1177540), (28, 1135485), (30, 1059786), (35, 908388), (36, 883155), (39, 815220), (42, 756990), (45, 706524), (52, 611415), (54, 588770), (60, 529893), (63, 504660), (65, 489132), (70, 454194), (78, 407610), (84, 378495), (90, 353262), (91, 349380), (105, 302796), (108, 294385), (117, 271740), (126, 252330), (130, 244566), (135, 235508), (140, 227097), (156, 203805), (180, 176631), (182, 174690), (189, 168220), (195, 163044), (210, 151398), (234, 135870), (252, 126165), (260, 122283), (270, 117754), (273, 116460), (315, 100932), (351, 90580), (364, 87345), (378, 84110), (390, 81522), (420, 75699), (455, 69876), (468, 67935), (540, 58877), (546, 58230), (585, 54348), (630, 50466), (647, 49140), (702, 45290), (756, 42055), (780, 40761), (819, 38820), (910, 34938), (945, 33644), (1092, 29115), (1170, 27174), (1260, 25233), (1294, 24570), (1365, 23292), (1404, 22645), (1638, 19410), (1755, 18116), (1820, 17469), (1890, 16822), (1941, 16380), (2340, 13587), (2457, 12940), (2588, 12285), (2730, 11646), (3235, 9828), (3276, 9705), (3510, 9058), (3780, 8411), (3882, 8190), (4095, 7764), (4529, 7020), (4914, 6470), (5460, 5823)]