405640320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211271}}^1$

素因数の和:211293

約数の個数: 64

約数和(自身を含む): 1292984640

約数和(自身を除く): 887344320

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, 320, 384, 480, 640, 960, 1920, 211271, 422542, 633813, 845084, 1056355, 1267626, 1690168, 2112710, 2535252, 3169065, 3380336, 4225420, 5070504, 6338130, 6760672, 8450840, 10141008, 12676260, 13521344, 16901680, 20282016, 25352520, 27042688, 33803360, 40564032, 50705040, 67606720, 81128064, 101410080, 135213440, 202820160, 405640320]

約数ペア:

[(1, 405640320), (2, 202820160), (3, 135213440), (4, 101410080), (5, 81128064), (6, 67606720), (8, 50705040), (10, 40564032), (12, 33803360), (15, 27042688), (16, 25352520), (20, 20282016), (24, 16901680), (30, 13521344), (32, 12676260), (40, 10141008), (48, 8450840), (60, 6760672), (64, 6338130), (80, 5070504), (96, 4225420), (120, 3380336), (128, 3169065), (160, 2535252), (192, 2112710), (240, 1690168), (320, 1267626), (384, 1056355), (480, 845084), (640, 633813), (960, 422542), (1920, 211271)]