680888520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1993}}^1$

素因数の和:2096

約数の個数: 192

約数和(自身を含む): 2416967280

約数和(自身を除く): 1736078760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 73, 78, 90, 104, 117, 120, 130, 146, 156, 180, 195, 219, 234, 260, 292, 312, 360, 365, 390, 438, 468, 520, 584, 585, 657, 730, 780, 876, 936, 949, 1095, 1170, 1314, 1460, 1560, 1752, 1898, 1993, 2190, 2340, 2628, 2847, 2920, 3285, 3796, 3986, 4380, 4680, 4745, 5256, 5694, 5979, 6570, 7592, 7972, 8541, 8760, 9490, 9965, 11388, 11958, 13140, 14235, 15944, 17082, 17937, 18980, 19930, 22776, 23916, 25909, 26280, 28470, 29895, 34164, 35874, 37960, 39860, 42705, 47832, 51818, 56940, 59790, 68328, 71748, 77727, 79720, 85410, 89685, 103636, 113880, 119580, 129545, 143496, 145489, 155454, 170820, 179370, 207272, 233181, 239160, 259090, 290978, 310908, 341640, 358740, 388635, 436467, 466362, 518180, 581956, 621816, 717480, 727445, 777270, 872934, 932724, 1036360, 1163912, 1165905, 1309401, 1454890, 1554540, 1745868, 1865448, 1891357, 2182335, 2331810, 2618802, 2909780, 3109080, 3491736, 3782714, 4364670, 4663620, 5237604, 5674071, 5819560, 6547005, 7565428, 8729340, 9327240, 9456785, 10475208, 11348142, 13094010, 15130856, 17022213, 17458680, 18913570, 22696284, 26188020, 28370355, 34044426, 37827140, 45392568, 52376040, 56740710, 68088852, 75654280, 85111065, 113481420, 136177704, 170222130, 226962840, 340444260, 680888520]

約数ペア:

[(1, 680888520), (2, 340444260), (3, 226962840), (4, 170222130), (5, 136177704), (6, 113481420), (8, 85111065), (9, 75654280), (10, 68088852), (12, 56740710), (13, 52376040), (15, 45392568), (18, 37827140), (20, 34044426), (24, 28370355), (26, 26188020), (30, 22696284), (36, 18913570), (39, 17458680), (40, 17022213), (45, 15130856), (52, 13094010), (60, 11348142), (65, 10475208), (72, 9456785), (73, 9327240), (78, 8729340), (90, 7565428), (104, 6547005), (117, 5819560), (120, 5674071), (130, 5237604), (146, 4663620), (156, 4364670), (180, 3782714), (195, 3491736), (219, 3109080), (234, 2909780), (260, 2618802), (292, 2331810), (312, 2182335), (360, 1891357), (365, 1865448), (390, 1745868), (438, 1554540), (468, 1454890), (520, 1309401), (584, 1165905), (585, 1163912), (657, 1036360), (730, 932724), (780, 872934), (876, 777270), (936, 727445), (949, 717480), (1095, 621816), (1170, 581956), (1314, 518180), (1460, 466362), (1560, 436467), (1752, 388635), (1898, 358740), (1993, 341640), (2190, 310908), (2340, 290978), (2628, 259090), (2847, 239160), (2920, 233181), (3285, 207272), (3796, 179370), (3986, 170820), (4380, 155454), (4680, 145489), (4745, 143496), (5256, 129545), (5694, 119580), (5979, 113880), (6570, 103636), (7592, 89685), (7972, 85410), (8541, 79720), (8760, 77727), (9490, 71748), (9965, 68328), (11388, 59790), (11958, 56940), (13140, 51818), (14235, 47832), (15944, 42705), (17082, 39860), (17937, 37960), (18980, 35874), (19930, 34164), (22776, 29895), (23916, 28470), (25909, 26280)]