1520481664

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1861}}^1$

素因数の和:2379

約数の個数: 64

約数和(自身を含む): 3270491280

約数和(自身を除く): 1750009616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 491, 832, 982, 1664, 1861, 1964, 3722, 3928, 6383, 7444, 7856, 12766, 14888, 15712, 24193, 25532, 29776, 31424, 48386, 51064, 59552, 62848, 96772, 102128, 119104, 193544, 204256, 238208, 387088, 408512, 774176, 817024, 913751, 1548352, 1827502, 3096704, 3655004, 7310008, 11878763, 14620016, 23757526, 29240032, 47515052, 58480064, 95030104, 116960128, 190060208, 380120416, 760240832, 1520481664]

約数ペア:

[(1, 1520481664), (2, 760240832), (4, 380120416), (8, 190060208), (13, 116960128), (16, 95030104), (26, 58480064), (32, 47515052), (52, 29240032), (64, 23757526), (104, 14620016), (128, 11878763), (208, 7310008), (416, 3655004), (491, 3096704), (832, 1827502), (982, 1548352), (1664, 913751), (1861, 817024), (1964, 774176), (3722, 408512), (3928, 387088), (6383, 238208), (7444, 204256), (7856, 193544), (12766, 119104), (14888, 102128), (15712, 96772), (24193, 62848), (25532, 59552), (29776, 51064), (31424, 48386)]