81057210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{677}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 210494592

約数和(自身を除く): 129437382

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 307, 390, 614, 677, 921, 1354, 1535, 1842, 2031, 3070, 3385, 3991, 4062, 4605, 6770, 7982, 8801, 9210, 10155, 11973, 17602, 19955, 20310, 23946, 26403, 39910, 44005, 52806, 59865, 88010, 119730, 132015, 207839, 264030, 415678, 623517, 1039195, 1247034, 2078390, 2701907, 3117585, 5403814, 6235170, 8105721, 13509535, 16211442, 27019070, 40528605, 81057210]

約数ペア:

[(1, 81057210), (2, 40528605), (3, 27019070), (5, 16211442), (6, 13509535), (10, 8105721), (13, 6235170), (15, 5403814), (26, 3117585), (30, 2701907), (39, 2078390), (65, 1247034), (78, 1039195), (130, 623517), (195, 415678), (307, 264030), (390, 207839), (614, 132015), (677, 119730), (921, 88010), (1354, 59865), (1535, 52806), (1842, 44005), (2031, 39910), (3070, 26403), (3385, 23946), (3991, 20310), (4062, 19955), (4605, 17602), (6770, 11973), (7982, 10155), (8801, 9210)]