31430880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 288

約数和(自身を含む): 122181696

約数和(自身を除く): 90750816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 32, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 73, 78, 80, 90, 92, 96, 104, 115, 117, 120, 130, 138, 144, 146, 156, 160, 180, 184, 195, 207, 208, 219, 230, 234, 240, 260, 276, 288, 292, 299, 312, 345, 360, 365, 368, 390, 414, 416, 438, 460, 468, 480, 520, 552, 584, 585, 598, 624, 657, 690, 720, 730, 736, 780, 828, 876, 897, 920, 936, 949, 1035, 1040, 1095, 1104, 1168, 1170, 1196, 1248, 1314, 1380, 1440, 1460, 1495, 1560, 1656, 1679, 1752, 1794, 1840, 1872, 1898, 2070, 2080, 2190, 2208, 2336, 2340, 2392, 2628, 2691, 2760, 2847, 2920, 2990, 3120, 3285, 3312, 3358, 3504, 3588, 3680, 3744, 3796, 4140, 4380, 4485, 4680, 4745, 4784, 5037, 5256, 5382, 5520, 5694, 5840, 5980, 6240, 6570, 6624, 6716, 7008, 7176, 7592, 8280, 8395, 8541, 8760, 8970, 9360, 9490, 9568, 10074, 10512, 10764, 11040, 11388, 11680, 11960, 13140, 13432, 13455, 14235, 14352, 15111, 15184, 16560, 16790, 17082, 17520, 17940, 18720, 18980, 20148, 21024, 21528, 21827, 22776, 23920, 25185, 26280, 26864, 26910, 28470, 28704, 30222, 30368, 33120, 33580, 34164, 35040, 35880, 37960, 40296, 42705, 43056, 43654, 45552, 47840, 50370, 52560, 53728, 53820, 56940, 60444, 65481, 67160, 68328, 71760, 75555, 75920, 80592, 85410, 86112, 87308, 91104, 100740, 105120, 107640, 109135, 113880, 120888, 130962, 134320, 136656, 143520, 151110, 151840, 161184, 170820, 174616, 196443, 201480, 215280, 218270, 227760, 241776, 261924, 268640, 273312, 302220, 327405, 341640, 349232, 392886, 402960, 430560, 436540, 455520, 483552, 523848, 604440, 654810, 683280, 698464, 785772, 805920, 873080, 982215, 1047696, 1208880, 1309620, 1366560, 1571544, 1746160, 1964430, 2095392, 2417760, 2619240, 3143088, 3492320, 3928860, 5238480, 6286176, 7857720, 10476960, 15715440, 31430880]

約数ペア:

[(1, 31430880), (2, 15715440), (3, 10476960), (4, 7857720), (5, 6286176), (6, 5238480), (8, 3928860), (9, 3492320), (10, 3143088), (12, 2619240), (13, 2417760), (15, 2095392), (16, 1964430), (18, 1746160), (20, 1571544), (23, 1366560), (24, 1309620), (26, 1208880), (30, 1047696), (32, 982215), (36, 873080), (39, 805920), (40, 785772), (45, 698464), (46, 683280), (48, 654810), (52, 604440), (60, 523848), (65, 483552), (69, 455520), (72, 436540), (73, 430560), (78, 402960), (80, 392886), (90, 349232), (92, 341640), (96, 327405), (104, 302220), (115, 273312), (117, 268640), (120, 261924), (130, 241776), (138, 227760), (144, 218270), (146, 215280), (156, 201480), (160, 196443), (180, 174616), (184, 170820), (195, 161184), (207, 151840), (208, 151110), (219, 143520), (230, 136656), (234, 134320), (240, 130962), (260, 120888), (276, 113880), (288, 109135), (292, 107640), (299, 105120), (312, 100740), (345, 91104), (360, 87308), (365, 86112), (368, 85410), (390, 80592), (414, 75920), (416, 75555), (438, 71760), (460, 68328), (468, 67160), (480, 65481), (520, 60444), (552, 56940), (584, 53820), (585, 53728), (598, 52560), (624, 50370), (657, 47840), (690, 45552), (720, 43654), (730, 43056), (736, 42705), (780, 40296), (828, 37960), (876, 35880), (897, 35040), (920, 34164), (936, 33580), (949, 33120), (1035, 30368), (1040, 30222), (1095, 28704), (1104, 28470), (1168, 26910), (1170, 26864), (1196, 26280), (1248, 25185), (1314, 23920), (1380, 22776), (1440, 21827), (1460, 21528), (1495, 21024), (1560, 20148), (1656, 18980), (1679, 18720), (1752, 17940), (1794, 17520), (1840, 17082), (1872, 16790), (1898, 16560), (2070, 15184), (2080, 15111), (2190, 14352), (2208, 14235), (2336, 13455), (2340, 13432), (2392, 13140), (2628, 11960), (2691, 11680), (2760, 11388), (2847, 11040), (2920, 10764), (2990, 10512), (3120, 10074), (3285, 9568), (3312, 9490), (3358, 9360), (3504, 8970), (3588, 8760), (3680, 8541), (3744, 8395), (3796, 8280), (4140, 7592), (4380, 7176), (4485, 7008), (4680, 6716), (4745, 6624), (4784, 6570), (5037, 6240), (5256, 5980), (5382, 5840), (5520, 5694)]