31410180

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 103469184

約数和(自身を除く): 72059004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 281, 324, 345, 405, 414, 460, 486, 540, 562, 621, 690, 810, 828, 843, 972, 1035, 1124, 1215, 1242, 1380, 1405, 1620, 1686, 1863, 2070, 2430, 2484, 2529, 2810, 3105, 3372, 3726, 4140, 4215, 4860, 5058, 5589, 5620, 6210, 6463, 7452, 7587, 8430, 9315, 10116, 11178, 12420, 12645, 12926, 15174, 16860, 18630, 19389, 22356, 22761, 25290, 25852, 27945, 30348, 32315, 37260, 37935, 38778, 45522, 50580, 55890, 58167, 64630, 68283, 75870, 77556, 91044, 96945, 111780, 113805, 116334, 129260, 136566, 151740, 174501, 193890, 227610, 232668, 273132, 290835, 341415, 349002, 387780, 455220, 523503, 581670, 682830, 698004, 872505, 1047006, 1163340, 1365660, 1570509, 1745010, 2094012, 2617515, 3141018, 3490020, 5235030, 6282036, 7852545, 10470060, 15705090, 31410180]

約数ペア:

[(1, 31410180), (2, 15705090), (3, 10470060), (4, 7852545), (5, 6282036), (6, 5235030), (9, 3490020), (10, 3141018), (12, 2617515), (15, 2094012), (18, 1745010), (20, 1570509), (23, 1365660), (27, 1163340), (30, 1047006), (36, 872505), (45, 698004), (46, 682830), (54, 581670), (60, 523503), (69, 455220), (81, 387780), (90, 349002), (92, 341415), (108, 290835), (115, 273132), (135, 232668), (138, 227610), (162, 193890), (180, 174501), (207, 151740), (230, 136566), (243, 129260), (270, 116334), (276, 113805), (281, 111780), (324, 96945), (345, 91044), (405, 77556), (414, 75870), (460, 68283), (486, 64630), (540, 58167), (562, 55890), (621, 50580), (690, 45522), (810, 38778), (828, 37935), (843, 37260), (972, 32315), (1035, 30348), (1124, 27945), (1215, 25852), (1242, 25290), (1380, 22761), (1405, 22356), (1620, 19389), (1686, 18630), (1863, 16860), (2070, 15174), (2430, 12926), (2484, 12645), (2529, 12420), (2810, 11178), (3105, 10116), (3372, 9315), (3726, 8430), (4140, 7587), (4215, 7452), (4860, 6463), (5058, 6210), (5589, 5620)]