15721027360

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1610761}}^1$

素因数の和:1610837

約数の個数: 48

約数和(自身を含む): 37749818232

約数和(自身を除く): 22028790872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 1610761, 3221522, 6443044, 8053805, 12886088, 16107610, 25772176, 32215220, 51544352, 64430440, 98256421, 128860880, 196512842, 257721760, 393025684, 491282105, 786051368, 982564210, 1572102736, 1965128420, 3144205472, 3930256840, 7860513680, 15721027360]

約数ペア:

[(1, 15721027360), (2, 7860513680), (4, 3930256840), (5, 3144205472), (8, 1965128420), (10, 1572102736), (16, 982564210), (20, 786051368), (32, 491282105), (40, 393025684), (61, 257721760), (80, 196512842), (122, 128860880), (160, 98256421), (244, 64430440), (305, 51544352), (488, 32215220), (610, 25772176), (976, 16107610), (1220, 12886088), (1952, 8053805), (2440, 6443044), (4880, 3221522), (9760, 1610761)]