123765440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22751}}^1$

素因数の和:22785

約数の個数: 56

約数和(自身を含む): 312066432

約数和(自身を除く): 188300992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 22751, 45502, 91004, 113755, 182008, 227510, 364016, 386767, 455020, 728032, 773534, 910040, 1456064, 1547068, 1820080, 1933835, 3094136, 3640160, 3867670, 6188272, 7280320, 7735340, 12376544, 15470680, 24753088, 30941360, 61882720, 123765440]

約数ペア:

[(1, 123765440), (2, 61882720), (4, 30941360), (5, 24753088), (8, 15470680), (10, 12376544), (16, 7735340), (17, 7280320), (20, 6188272), (32, 3867670), (34, 3640160), (40, 3094136), (64, 1933835), (68, 1820080), (80, 1547068), (85, 1456064), (136, 910040), (160, 773534), (170, 728032), (272, 455020), (320, 386767), (340, 364016), (544, 227510), (680, 182008), (1088, 113755), (1360, 91004), (2720, 45502), (5440, 22751)]