1918703280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3917}}^1$

素因数の和:4103

約数の個数: 160

約数和(自身を含む): 6447962304

約数和(自身を除く): 4529259024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 157, 195, 208, 240, 260, 312, 314, 390, 471, 520, 624, 628, 780, 785, 942, 1040, 1256, 1560, 1570, 1884, 2041, 2355, 2512, 3120, 3140, 3768, 3917, 4082, 4710, 6123, 6280, 7536, 7834, 8164, 9420, 10205, 11751, 12246, 12560, 15668, 16328, 18840, 19585, 20410, 23502, 24492, 30615, 31336, 32656, 37680, 39170, 40820, 47004, 48984, 50921, 58755, 61230, 62672, 78340, 81640, 94008, 97968, 101842, 117510, 122460, 152763, 156680, 163280, 188016, 203684, 235020, 244920, 254605, 305526, 313360, 407368, 470040, 489840, 509210, 611052, 614969, 763815, 814736, 940080, 1018420, 1222104, 1229938, 1527630, 1844907, 2036840, 2444208, 2459876, 3055260, 3074845, 3689814, 4073680, 4919752, 6110520, 6149690, 7379628, 7994597, 9224535, 9839504, 12221040, 12299380, 14759256, 15989194, 18449070, 23983791, 24598760, 29518512, 31978388, 36898140, 39972985, 47967582, 49197520, 63956776, 73796280, 79945970, 95935164, 119918955, 127913552, 147592560, 159891940, 191870328, 239837910, 319783880, 383740656, 479675820, 639567760, 959351640, 1918703280]

約数ペア:

[(1, 1918703280), (2, 959351640), (3, 639567760), (4, 479675820), (5, 383740656), (6, 319783880), (8, 239837910), (10, 191870328), (12, 159891940), (13, 147592560), (15, 127913552), (16, 119918955), (20, 95935164), (24, 79945970), (26, 73796280), (30, 63956776), (39, 49197520), (40, 47967582), (48, 39972985), (52, 36898140), (60, 31978388), (65, 29518512), (78, 24598760), (80, 23983791), (104, 18449070), (120, 15989194), (130, 14759256), (156, 12299380), (157, 12221040), (195, 9839504), (208, 9224535), (240, 7994597), (260, 7379628), (312, 6149690), (314, 6110520), (390, 4919752), (471, 4073680), (520, 3689814), (624, 3074845), (628, 3055260), (780, 2459876), (785, 2444208), (942, 2036840), (1040, 1844907), (1256, 1527630), (1560, 1229938), (1570, 1222104), (1884, 1018420), (2041, 940080), (2355, 814736), (2512, 763815), (3120, 614969), (3140, 611052), (3768, 509210), (3917, 489840), (4082, 470040), (4710, 407368), (6123, 313360), (6280, 305526), (7536, 254605), (7834, 244920), (8164, 235020), (9420, 203684), (10205, 188016), (11751, 163280), (12246, 156680), (12560, 152763), (15668, 122460), (16328, 117510), (18840, 101842), (19585, 97968), (20410, 94008), (23502, 81640), (24492, 78340), (30615, 62672), (31336, 61230), (32656, 58755), (37680, 50921), (39170, 48984), (40820, 47004)]