90527440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 219557376

約数和(自身を除く): 129029936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 173, 211, 248, 310, 346, 422, 496, 620, 692, 844, 865, 1055, 1240, 1384, 1688, 1730, 2110, 2480, 2768, 3376, 3460, 4220, 5363, 6541, 6920, 8440, 10726, 13082, 13840, 16880, 21452, 26164, 26815, 32705, 36503, 42904, 52328, 53630, 65410, 73006, 85808, 104656, 107260, 130820, 146012, 182515, 214520, 261640, 292024, 365030, 429040, 523280, 584048, 730060, 1131593, 1460120, 2263186, 2920240, 4526372, 5657965, 9052744, 11315930, 18105488, 22631860, 45263720, 90527440]

約数ペア:

[(1, 90527440), (2, 45263720), (4, 22631860), (5, 18105488), (8, 11315930), (10, 9052744), (16, 5657965), (20, 4526372), (31, 2920240), (40, 2263186), (62, 1460120), (80, 1131593), (124, 730060), (155, 584048), (173, 523280), (211, 429040), (248, 365030), (310, 292024), (346, 261640), (422, 214520), (496, 182515), (620, 146012), (692, 130820), (844, 107260), (865, 104656), (1055, 85808), (1240, 73006), (1384, 65410), (1688, 53630), (1730, 52328), (2110, 42904), (2480, 36503), (2768, 32705), (3376, 26815), (3460, 26164), (4220, 21452), (5363, 16880), (6541, 13840), (6920, 13082), (8440, 10726)]