38689680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 128848896

約数和(自身を除く): 90159216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 43, 46, 48, 60, 69, 80, 86, 92, 115, 120, 129, 138, 163, 172, 184, 215, 230, 240, 258, 276, 326, 344, 345, 368, 430, 460, 489, 516, 552, 645, 652, 688, 690, 815, 860, 920, 978, 989, 1032, 1104, 1290, 1304, 1380, 1630, 1720, 1840, 1956, 1978, 2064, 2445, 2580, 2608, 2760, 2967, 3260, 3440, 3749, 3912, 3956, 4890, 4945, 5160, 5520, 5934, 6520, 7009, 7498, 7824, 7912, 9780, 9890, 10320, 11247, 11868, 13040, 14018, 14835, 14996, 15824, 18745, 19560, 19780, 21027, 22494, 23736, 28036, 29670, 29992, 35045, 37490, 39120, 39560, 42054, 44988, 47472, 56072, 56235, 59340, 59984, 70090, 74980, 79120, 84108, 89976, 105135, 112144, 112470, 118680, 140180, 149960, 161207, 168216, 179952, 210270, 224940, 237360, 280360, 299920, 322414, 336432, 420540, 449880, 483621, 560720, 644828, 806035, 841080, 899760, 967242, 1289656, 1612070, 1682160, 1934484, 2418105, 2579312, 3224140, 3868968, 4836210, 6448280, 7737936, 9672420, 12896560, 19344840, 38689680]

約数ペア:

[(1, 38689680), (2, 19344840), (3, 12896560), (4, 9672420), (5, 7737936), (6, 6448280), (8, 4836210), (10, 3868968), (12, 3224140), (15, 2579312), (16, 2418105), (20, 1934484), (23, 1682160), (24, 1612070), (30, 1289656), (40, 967242), (43, 899760), (46, 841080), (48, 806035), (60, 644828), (69, 560720), (80, 483621), (86, 449880), (92, 420540), (115, 336432), (120, 322414), (129, 299920), (138, 280360), (163, 237360), (172, 224940), (184, 210270), (215, 179952), (230, 168216), (240, 161207), (258, 149960), (276, 140180), (326, 118680), (344, 112470), (345, 112144), (368, 105135), (430, 89976), (460, 84108), (489, 79120), (516, 74980), (552, 70090), (645, 59984), (652, 59340), (688, 56235), (690, 56072), (815, 47472), (860, 44988), (920, 42054), (978, 39560), (989, 39120), (1032, 37490), (1104, 35045), (1290, 29992), (1304, 29670), (1380, 28036), (1630, 23736), (1720, 22494), (1840, 21027), (1956, 19780), (1978, 19560), (2064, 18745), (2445, 15824), (2580, 14996), (2608, 14835), (2760, 14018), (2967, 13040), (3260, 11868), (3440, 11247), (3749, 10320), (3912, 9890), (3956, 9780), (4890, 7912), (4945, 7824), (5160, 7498), (5520, 7009), (5934, 6520)]