181020160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2335

約数の個数: 80

約数和(自身を含む): 448221312

約数和(自身を除く): 267201152

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, 512, 620, 640, 992, 1240, 1280, 1984, 2281, 2480, 2560, 3968, 4562, 4960, 7936, 9124, 9920, 11405, 15872, 18248, 19840, 22810, 36496, 39680, 45620, 70711, 72992, 79360, 91240, 141422, 145984, 182480, 282844, 291968, 353555, 364960, 565688, 583936, 707110, 729920, 1131376, 1167872, 1414220, 1459840, 2262752, 2828440, 2919680, 4525504, 5656880, 5839360, 9051008, 11313760, 18102016, 22627520, 36204032, 45255040, 90510080, 181020160]

約数ペア:

[(1, 181020160), (2, 90510080), (4, 45255040), (5, 36204032), (8, 22627520), (10, 18102016), (16, 11313760), (20, 9051008), (31, 5839360), (32, 5656880), (40, 4525504), (62, 2919680), (64, 2828440), (80, 2262752), (124, 1459840), (128, 1414220), (155, 1167872), (160, 1131376), (248, 729920), (256, 707110), (310, 583936), (320, 565688), (496, 364960), (512, 353555), (620, 291968), (640, 282844), (992, 182480), (1240, 145984), (1280, 141422), (1984, 91240), (2281, 79360), (2480, 72992), (2560, 70711), (3968, 45620), (4562, 39680), (4960, 36496), (7936, 22810), (9124, 19840), (9920, 18248), (11405, 15872)]