181594520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4231}}^1$

素因数の和:4308

約数の個数: 64

約数和(自身を含む): 434203200

約数和(自身を除く): 252608680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2146, 4231, 4292, 5365, 8462, 8584, 10730, 16924, 21155, 21460, 33848, 42310, 42920, 84620, 122699, 156547, 169240, 245398, 313094, 490796, 613495, 626188, 782735, 981592, 1226990, 1252376, 1565470, 2453980, 3130940, 4539863, 4907960, 6261880, 9079726, 18159452, 22699315, 36318904, 45398630, 90797260, 181594520]

約数ペア:

[(1, 181594520), (2, 90797260), (4, 45398630), (5, 36318904), (8, 22699315), (10, 18159452), (20, 9079726), (29, 6261880), (37, 4907960), (40, 4539863), (58, 3130940), (74, 2453980), (116, 1565470), (145, 1252376), (148, 1226990), (185, 981592), (232, 782735), (290, 626188), (296, 613495), (370, 490796), (580, 313094), (740, 245398), (1073, 169240), (1160, 156547), (1480, 122699), (2146, 84620), (4231, 42920), (4292, 42310), (5365, 33848), (8462, 21460), (8584, 21155), (10730, 16924)]