64404340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3217}}^1$

素因数の和:3257

約数の個数: 96

約数和(自身を含む): 181649664

約数和(自身を除く): 117245324

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 3217, 4004, 5005, 6434, 10010, 12868, 16085, 20020, 22519, 32170, 35387, 41821, 45038, 64340, 70774, 83642, 90076, 112595, 141548, 167284, 176935, 209105, 225190, 247709, 292747, 353870, 418210, 450380, 460031, 495418, 585494, 707740, 836420, 920062, 990836, 1170988, 1238545, 1463735, 1840124, 2300155, 2477090, 2927470, 3220217, 4600310, 4954180, 5854940, 6440434, 9200620, 12880868, 16101085, 32202170, 64404340]

約数ペア:

[(1, 64404340), (2, 32202170), (4, 16101085), (5, 12880868), (7, 9200620), (10, 6440434), (11, 5854940), (13, 4954180), (14, 4600310), (20, 3220217), (22, 2927470), (26, 2477090), (28, 2300155), (35, 1840124), (44, 1463735), (52, 1238545), (55, 1170988), (65, 990836), (70, 920062), (77, 836420), (91, 707740), (110, 585494), (130, 495418), (140, 460031), (143, 450380), (154, 418210), (182, 353870), (220, 292747), (260, 247709), (286, 225190), (308, 209105), (364, 176935), (385, 167284), (455, 141548), (572, 112595), (715, 90076), (770, 83642), (910, 70774), (1001, 64340), (1430, 45038), (1540, 41821), (1820, 35387), (2002, 32170), (2860, 22519), (3217, 20020), (4004, 16085), (5005, 12868), (6434, 10010)]