64205180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 157066560

約数和(自身を除く): 92861380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 205, 247, 260, 317, 380, 410, 494, 533, 634, 779, 820, 988, 1066, 1235, 1268, 1558, 1585, 2132, 2470, 2665, 3116, 3170, 3895, 4121, 4940, 5330, 6023, 6340, 7790, 8242, 10127, 10660, 12046, 12997, 15580, 16484, 20254, 20605, 24092, 25994, 30115, 40508, 41210, 50635, 51988, 60230, 64985, 78299, 82420, 101270, 120460, 129970, 156598, 168961, 202540, 246943, 259940, 313196, 337922, 391495, 493886, 675844, 782990, 844805, 987772, 1234715, 1565980, 1689610, 2469430, 3210259, 3379220, 4938860, 6420518, 12841036, 16051295, 32102590, 64205180]

約数ペア:

[(1, 64205180), (2, 32102590), (4, 16051295), (5, 12841036), (10, 6420518), (13, 4938860), (19, 3379220), (20, 3210259), (26, 2469430), (38, 1689610), (41, 1565980), (52, 1234715), (65, 987772), (76, 844805), (82, 782990), (95, 675844), (130, 493886), (164, 391495), (190, 337922), (205, 313196), (247, 259940), (260, 246943), (317, 202540), (380, 168961), (410, 156598), (494, 129970), (533, 120460), (634, 101270), (779, 82420), (820, 78299), (988, 64985), (1066, 60230), (1235, 51988), (1268, 50635), (1558, 41210), (1585, 40508), (2132, 30115), (2470, 25994), (2665, 24092), (3116, 20605), (3170, 20254), (3895, 16484), (4121, 15580), (4940, 12997), (5330, 12046), (6023, 10660), (6340, 10127), (7790, 8242)]