61517640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 199065600

約数和(自身を除く): 137547960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 719, 744, 920, 930, 1240, 1380, 1426, 1438, 1860, 2139, 2157, 2760, 2852, 2876, 3565, 3595, 3720, 4278, 4314, 5704, 5752, 7130, 7190, 8556, 8628, 10695, 10785, 14260, 14380, 16537, 17112, 17256, 21390, 21570, 22289, 28520, 28760, 33074, 42780, 43140, 44578, 49611, 66148, 66867, 82685, 85560, 86280, 89156, 99222, 111445, 132296, 133734, 165370, 178312, 198444, 222890, 248055, 267468, 330740, 334335, 396888, 445780, 496110, 512647, 534936, 661480, 668670, 891560, 992220, 1025294, 1337340, 1537941, 1984440, 2050588, 2563235, 2674680, 3075882, 4101176, 5126470, 6151764, 7689705, 10252940, 12303528, 15379410, 20505880, 30758820, 61517640]

約数ペア:

[(1, 61517640), (2, 30758820), (3, 20505880), (4, 15379410), (5, 12303528), (6, 10252940), (8, 7689705), (10, 6151764), (12, 5126470), (15, 4101176), (20, 3075882), (23, 2674680), (24, 2563235), (30, 2050588), (31, 1984440), (40, 1537941), (46, 1337340), (60, 1025294), (62, 992220), (69, 891560), (92, 668670), (93, 661480), (115, 534936), (120, 512647), (124, 496110), (138, 445780), (155, 396888), (184, 334335), (186, 330740), (230, 267468), (248, 248055), (276, 222890), (310, 198444), (345, 178312), (372, 165370), (460, 133734), (465, 132296), (552, 111445), (620, 99222), (690, 89156), (713, 86280), (719, 85560), (744, 82685), (920, 66867), (930, 66148), (1240, 49611), (1380, 44578), (1426, 43140), (1438, 42780), (1860, 33074), (2139, 28760), (2157, 28520), (2760, 22289), (2852, 21570), (2876, 21390), (3565, 17256), (3595, 17112), (3720, 16537), (4278, 14380), (4314, 14260), (5704, 10785), (5752, 10695), (7130, 8628), (7190, 8556)]