78741760

素因数分解:

$2^8\times 5^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 190141056

約数和(自身を除く): 111399296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 227, 256, 271, 320, 454, 542, 640, 908, 1084, 1135, 1280, 1355, 1816, 2168, 2270, 2710, 3632, 4336, 4540, 5420, 7264, 8672, 9080, 10840, 14528, 17344, 18160, 21680, 29056, 34688, 36320, 43360, 58112, 61517, 69376, 72640, 86720, 123034, 145280, 173440, 246068, 290560, 307585, 346880, 492136, 615170, 984272, 1230340, 1968544, 2460680, 3937088, 4921360, 7874176, 9842720, 15748352, 19685440, 39370880, 78741760]

約数ペア:

[(1, 78741760), (2, 39370880), (4, 19685440), (5, 15748352), (8, 9842720), (10, 7874176), (16, 4921360), (20, 3937088), (32, 2460680), (40, 1968544), (64, 1230340), (80, 984272), (128, 615170), (160, 492136), (227, 346880), (256, 307585), (271, 290560), (320, 246068), (454, 173440), (542, 145280), (640, 123034), (908, 86720), (1084, 72640), (1135, 69376), (1280, 61517), (1355, 58112), (1816, 43360), (2168, 36320), (2270, 34688), (2710, 29056), (3632, 21680), (4336, 18160), (4540, 17344), (5420, 14528), (7264, 10840), (8672, 9080)]