1281377280

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{83423}}^1$

素因数の和:83451

約数の個数: 88

約数和(自身を含む): 4098454272

約数和(自身を除く): 2817076992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 83423, 166846, 250269, 333692, 417115, 500538, 667384, 834230, 1001076, 1251345, 1334768, 1668460, 2002152, 2502690, 2669536, 3336920, 4004304, 5005380, 5339072, 6673840, 8008608, 10010760, 10678144, 13347680, 16017216, 20021520, 21356288, 26695360, 32034432, 40043040, 42712576, 53390720, 64068864, 80086080, 85425152, 106781440, 128137728, 160172160, 213562880, 256275456, 320344320, 427125760, 640688640, 1281377280]

約数ペア:

[(1, 1281377280), (2, 640688640), (3, 427125760), (4, 320344320), (5, 256275456), (6, 213562880), (8, 160172160), (10, 128137728), (12, 106781440), (15, 85425152), (16, 80086080), (20, 64068864), (24, 53390720), (30, 42712576), (32, 40043040), (40, 32034432), (48, 26695360), (60, 21356288), (64, 20021520), (80, 16017216), (96, 13347680), (120, 10678144), (128, 10010760), (160, 8008608), (192, 6673840), (240, 5339072), (256, 5005380), (320, 4004304), (384, 3336920), (480, 2669536), (512, 2502690), (640, 2002152), (768, 1668460), (960, 1334768), (1024, 1251345), (1280, 1001076), (1536, 834230), (1920, 667384), (2560, 500538), (3072, 417115), (3840, 333692), (5120, 250269), (7680, 166846), (15360, 83423)]