128605760

素因数分解:

$2^6\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1483}}^1$

素因数の和:1771

約数の個数: 56

約数和(自身を含む): 307579776

約数和(自身を除く): 178974016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 271, 320, 542, 1084, 1355, 1483, 2168, 2710, 2966, 4336, 5420, 5932, 7415, 8672, 10840, 11864, 14830, 17344, 21680, 23728, 29660, 43360, 47456, 59320, 86720, 94912, 118640, 237280, 401893, 474560, 803786, 1607572, 2009465, 3215144, 4018930, 6430288, 8037860, 12860576, 16075720, 25721152, 32151440, 64302880, 128605760]

約数ペア:

[(1, 128605760), (2, 64302880), (4, 32151440), (5, 25721152), (8, 16075720), (10, 12860576), (16, 8037860), (20, 6430288), (32, 4018930), (40, 3215144), (64, 2009465), (80, 1607572), (160, 803786), (271, 474560), (320, 401893), (542, 237280), (1084, 118640), (1355, 94912), (1483, 86720), (2168, 59320), (2710, 47456), (2966, 43360), (4336, 29660), (5420, 23728), (5932, 21680), (7415, 17344), (8672, 14830), (10840, 11864)]