1399688320

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30803}}^1$

素因数の和:30893

約数の個数: 64

約数和(自身を含む): 3393368640

約数和(自身を除く): 1993680320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 22720, 30803, 45440, 61606, 123212, 154015, 246424, 308030, 492848, 616060, 985696, 1232120, 1971392, 2187013, 2464240, 3942784, 4374026, 4928480, 8748052, 9856960, 10935065, 17496104, 19713920, 21870130, 34992208, 43740260, 69984416, 87480520, 139968832, 174961040, 279937664, 349922080, 699844160, 1399688320]

約数ペア:

[(1, 1399688320), (2, 699844160), (4, 349922080), (5, 279937664), (8, 174961040), (10, 139968832), (16, 87480520), (20, 69984416), (32, 43740260), (40, 34992208), (64, 21870130), (71, 19713920), (80, 17496104), (128, 10935065), (142, 9856960), (160, 8748052), (284, 4928480), (320, 4374026), (355, 3942784), (568, 2464240), (640, 2187013), (710, 1971392), (1136, 1232120), (1420, 985696), (2272, 616060), (2840, 492848), (4544, 308030), (5680, 246424), (9088, 154015), (11360, 123212), (22720, 61606), (30803, 45440)]