15715440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 240

約数和(自身を含む): 60121152

約数和(自身を除く): 44405712

約数列:

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

約数ペア:

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