15678866920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1733}}^1\times {\mathrm{6113}}^1$

素因数の和:7894

約数の個数: 64

約数和(自身を含む): 36257731920

約数和(自身を除く): 20578865000

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1733, 3466, 6113, 6932, 8665, 12226, 13864, 17330, 24452, 30565, 34660, 48904, 61130, 64121, 69320, 122260, 128242, 226181, 244520, 256484, 320605, 452362, 512968, 641210, 904724, 1130905, 1282420, 1809448, 2261810, 2564840, 4523620, 9047240, 10593829, 21187658, 42375316, 52969145, 84750632, 105938290, 211876580, 391971673, 423753160, 783943346, 1567886692, 1959858365, 3135773384, 3919716730, 7839433460, 15678866920]

約数ペア:

[(1, 15678866920), (2, 7839433460), (4, 3919716730), (5, 3135773384), (8, 1959858365), (10, 1567886692), (20, 783943346), (37, 423753160), (40, 391971673), (74, 211876580), (148, 105938290), (185, 84750632), (296, 52969145), (370, 42375316), (740, 21187658), (1480, 10593829), (1733, 9047240), (3466, 4523620), (6113, 2564840), (6932, 2261810), (8665, 1809448), (12226, 1282420), (13864, 1130905), (17330, 904724), (24452, 641210), (30565, 512968), (34660, 452362), (48904, 320605), (61130, 256484), (64121, 244520), (69320, 226181), (122260, 128242)]