64430820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 144

約数和(自身を含む): 207567360

約数和(自身を除く): 143136540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 79, 90, 92, 115, 138, 158, 180, 197, 207, 230, 237, 276, 316, 345, 394, 395, 414, 460, 474, 591, 690, 711, 788, 790, 828, 948, 985, 1035, 1182, 1185, 1380, 1422, 1580, 1773, 1817, 1970, 2070, 2364, 2370, 2844, 2955, 3546, 3555, 3634, 3940, 4140, 4531, 4740, 5451, 5910, 7092, 7110, 7268, 8865, 9062, 9085, 10902, 11820, 13593, 14220, 15563, 16353, 17730, 18124, 18170, 21804, 22655, 27186, 27255, 31126, 32706, 35460, 36340, 40779, 45310, 46689, 54372, 54510, 62252, 65412, 67965, 77815, 81558, 81765, 90620, 93378, 109020, 135930, 140067, 155630, 163116, 163530, 186756, 203895, 233445, 271860, 280134, 311260, 327060, 357949, 407790, 466890, 560268, 700335, 715898, 815580, 933780, 1073847, 1400670, 1431796, 1789745, 2147694, 2801340, 3221541, 3579490, 4295388, 5369235, 6443082, 7158980, 10738470, 12886164, 16107705, 21476940, 32215410, 64430820]

約数ペア:

[(1, 64430820), (2, 32215410), (3, 21476940), (4, 16107705), (5, 12886164), (6, 10738470), (9, 7158980), (10, 6443082), (12, 5369235), (15, 4295388), (18, 3579490), (20, 3221541), (23, 2801340), (30, 2147694), (36, 1789745), (45, 1431796), (46, 1400670), (60, 1073847), (69, 933780), (79, 815580), (90, 715898), (92, 700335), (115, 560268), (138, 466890), (158, 407790), (180, 357949), (197, 327060), (207, 311260), (230, 280134), (237, 271860), (276, 233445), (316, 203895), (345, 186756), (394, 163530), (395, 163116), (414, 155630), (460, 140067), (474, 135930), (591, 109020), (690, 93378), (711, 90620), (788, 81765), (790, 81558), (828, 77815), (948, 67965), (985, 65412), (1035, 62252), (1182, 54510), (1185, 54372), (1380, 46689), (1422, 45310), (1580, 40779), (1773, 36340), (1817, 35460), (1970, 32706), (2070, 31126), (2364, 27255), (2370, 27186), (2844, 22655), (2955, 21804), (3546, 18170), (3555, 18124), (3634, 17730), (3940, 16353), (4140, 15563), (4531, 14220), (4740, 13593), (5451, 11820), (5910, 10902), (7092, 9085), (7110, 9062), (7268, 8865)]