7857720

素因数分解:

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

素因数の和:126

約数の個数: 192

約数和(自身を含む): 29090880

約数和(自身を除く): 21233160

約数列:

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

約数ペア:

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