15672012640

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1605739}}^1$

素因数の和:1605815

約数の個数: 48

約数和(自身を含む): 37632122640

約数和(自身を除く): 21960110000

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, 1605739, 3211478, 6422956, 8028695, 12845912, 16057390, 25691824, 32114780, 51383648, 64229560, 97950079, 128459120, 195900158, 256918240, 391800316, 489750395, 783600632, 979500790, 1567201264, 1959001580, 3134402528, 3918003160, 7836006320, 15672012640]

約数ペア:

[(1, 15672012640), (2, 7836006320), (4, 3918003160), (5, 3134402528), (8, 1959001580), (10, 1567201264), (16, 979500790), (20, 783600632), (32, 489750395), (40, 391800316), (61, 256918240), (80, 195900158), (122, 128459120), (160, 97950079), (244, 64229560), (305, 51383648), (488, 32114780), (610, 25691824), (976, 16057390), (1220, 12845912), (1952, 8028695), (2440, 6422956), (4880, 3211478), (9760, 1605739)]