81214980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17579}}^1$

素因数の和:17609

約数の個数: 96

約数和(自身を含む): 283530240

約数和(自身を除く): 202315260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 17579, 35158, 52737, 70316, 87895, 105474, 123053, 175790, 193369, 210948, 246106, 263685, 351580, 369159, 386738, 492212, 527370, 580107, 615265, 738318, 773476, 966845, 1054740, 1160214, 1230530, 1353583, 1476636, 1845795, 1933690, 2320428, 2461060, 2707166, 2900535, 3691590, 3867380, 4060749, 5414332, 5801070, 6767915, 7383180, 8121498, 11602140, 13535830, 16242996, 20303745, 27071660, 40607490, 81214980]

約数ペア:

[(1, 81214980), (2, 40607490), (3, 27071660), (4, 20303745), (5, 16242996), (6, 13535830), (7, 11602140), (10, 8121498), (11, 7383180), (12, 6767915), (14, 5801070), (15, 5414332), (20, 4060749), (21, 3867380), (22, 3691590), (28, 2900535), (30, 2707166), (33, 2461060), (35, 2320428), (42, 1933690), (44, 1845795), (55, 1476636), (60, 1353583), (66, 1230530), (70, 1160214), (77, 1054740), (84, 966845), (105, 773476), (110, 738318), (132, 615265), (140, 580107), (154, 527370), (165, 492212), (210, 386738), (220, 369159), (231, 351580), (308, 263685), (330, 246106), (385, 210948), (420, 193369), (462, 175790), (660, 123053), (770, 105474), (924, 87895), (1155, 70316), (1540, 52737), (2310, 35158), (4620, 17579)]