1340785280

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1478

約数の個数: 128

約数和(自身を含む): 3374678160

約数和(自身を除く): 2033892880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 64, 74, 80, 82, 128, 148, 160, 164, 185, 205, 296, 320, 328, 370, 410, 592, 640, 656, 740, 820, 1184, 1312, 1381, 1480, 1517, 1640, 2368, 2624, 2762, 2960, 3034, 3280, 4736, 5248, 5524, 5920, 6068, 6560, 6905, 7585, 11048, 11840, 12136, 13120, 13810, 15170, 22096, 23680, 24272, 26240, 27620, 30340, 44192, 48544, 51097, 55240, 56621, 60680, 88384, 97088, 102194, 110480, 113242, 121360, 176768, 194176, 204388, 220960, 226484, 242720, 255485, 283105, 408776, 441920, 452968, 485440, 510970, 566210, 817552, 883840, 905936, 970880, 1021940, 1132420, 1635104, 1811872, 2043880, 2094977, 2264840, 3270208, 3623744, 4087760, 4189954, 4529680, 6540416, 7247488, 8175520, 8379908, 9059360, 10474885, 16351040, 16759816, 18118720, 20949770, 32702080, 33519632, 36237440, 41899540, 67039264, 83799080, 134078528, 167598160, 268157056, 335196320, 670392640, 1340785280]

約数ペア:

[(1, 1340785280), (2, 670392640), (4, 335196320), (5, 268157056), (8, 167598160), (10, 134078528), (16, 83799080), (20, 67039264), (32, 41899540), (37, 36237440), (40, 33519632), (41, 32702080), (64, 20949770), (74, 18118720), (80, 16759816), (82, 16351040), (128, 10474885), (148, 9059360), (160, 8379908), (164, 8175520), (185, 7247488), (205, 6540416), (296, 4529680), (320, 4189954), (328, 4087760), (370, 3623744), (410, 3270208), (592, 2264840), (640, 2094977), (656, 2043880), (740, 1811872), (820, 1635104), (1184, 1132420), (1312, 1021940), (1381, 970880), (1480, 905936), (1517, 883840), (1640, 817552), (2368, 566210), (2624, 510970), (2762, 485440), (2960, 452968), (3034, 441920), (3280, 408776), (4736, 283105), (5248, 255485), (5524, 242720), (5920, 226484), (6068, 220960), (6560, 204388), (6905, 194176), (7585, 176768), (11048, 121360), (11840, 113242), (12136, 110480), (13120, 102194), (13810, 97088), (15170, 88384), (22096, 60680), (23680, 56621), (24272, 55240), (26240, 51097), (27620, 48544), (30340, 44192)]