64911440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4339}}^1$

素因数の和:4380

約数の個数: 80

約数和(自身を含む): 174363840

約数和(自身を除く): 109452400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 4339, 7480, 8678, 14960, 17356, 21695, 34712, 43390, 47729, 69424, 73763, 86780, 95458, 147526, 173560, 190916, 238645, 295052, 347120, 368815, 381832, 477290, 590104, 737630, 763664, 811393, 954580, 1180208, 1475260, 1622786, 1909160, 2950520, 3245572, 3818320, 4056965, 5901040, 6491144, 8113930, 12982288, 16227860, 32455720, 64911440]

約数ペア:

[(1, 64911440), (2, 32455720), (4, 16227860), (5, 12982288), (8, 8113930), (10, 6491144), (11, 5901040), (16, 4056965), (17, 3818320), (20, 3245572), (22, 2950520), (34, 1909160), (40, 1622786), (44, 1475260), (55, 1180208), (68, 954580), (80, 811393), (85, 763664), (88, 737630), (110, 590104), (136, 477290), (170, 381832), (176, 368815), (187, 347120), (220, 295052), (272, 238645), (340, 190916), (374, 173560), (440, 147526), (680, 95458), (748, 86780), (880, 73763), (935, 69424), (1360, 47729), (1496, 43390), (1870, 34712), (2992, 21695), (3740, 17356), (4339, 14960), (7480, 8678)]