90510080

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2333

約数の個数: 72

約数和(自身を含む): 223891584

約数和(自身を除く): 133381504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2281, 2480, 3968, 4562, 4960, 7936, 9124, 9920, 11405, 18248, 19840, 22810, 36496, 39680, 45620, 70711, 72992, 91240, 141422, 145984, 182480, 282844, 291968, 353555, 364960, 565688, 583936, 707110, 729920, 1131376, 1414220, 1459840, 2262752, 2828440, 2919680, 4525504, 5656880, 9051008, 11313760, 18102016, 22627520, 45255040, 90510080]

約数ペア:

[(1, 90510080), (2, 45255040), (4, 22627520), (5, 18102016), (8, 11313760), (10, 9051008), (16, 5656880), (20, 4525504), (31, 2919680), (32, 2828440), (40, 2262752), (62, 1459840), (64, 1414220), (80, 1131376), (124, 729920), (128, 707110), (155, 583936), (160, 565688), (248, 364960), (256, 353555), (310, 291968), (320, 282844), (496, 182480), (620, 145984), (640, 141422), (992, 91240), (1240, 72992), (1280, 70711), (1984, 45620), (2281, 39680), (2480, 36496), (3968, 22810), (4562, 19840), (4960, 18248), (7936, 11405), (9124, 9920)]