280397520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1033}}^1$

素因数の和:1094

約数の個数: 240

約数和(自身を含む): 1050089040

約数和(自身を除く): 769691520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 36, 39, 40, 45, 48, 52, 58, 60, 65, 72, 78, 80, 87, 90, 104, 116, 117, 120, 130, 144, 145, 156, 174, 180, 195, 208, 232, 234, 240, 260, 261, 290, 312, 348, 360, 377, 390, 435, 464, 468, 520, 522, 580, 585, 624, 696, 720, 754, 780, 870, 936, 1033, 1040, 1044, 1131, 1160, 1170, 1305, 1392, 1508, 1560, 1740, 1872, 1885, 2066, 2088, 2262, 2320, 2340, 2610, 3016, 3099, 3120, 3393, 3480, 3770, 4132, 4176, 4524, 4680, 5165, 5220, 5655, 6032, 6198, 6786, 6960, 7540, 8264, 9048, 9297, 9360, 10330, 10440, 11310, 12396, 13429, 13572, 15080, 15495, 16528, 16965, 18096, 18594, 20660, 20880, 22620, 24792, 26858, 27144, 29957, 30160, 30990, 33930, 37188, 40287, 41320, 45240, 46485, 49584, 53716, 54288, 59914, 61980, 67145, 67860, 74376, 80574, 82640, 89871, 90480, 92970, 107432, 119828, 120861, 123960, 134290, 135720, 148752, 149785, 161148, 179742, 185940, 201435, 214864, 239656, 241722, 247920, 268580, 269613, 271440, 299570, 322296, 359484, 371880, 389441, 402870, 449355, 479312, 483444, 537160, 539226, 599140, 604305, 644592, 718968, 743760, 778882, 805740, 898710, 966888, 1074320, 1078452, 1168323, 1198280, 1208610, 1348065, 1437936, 1557764, 1611480, 1797420, 1933776, 1947205, 2156904, 2336646, 2396560, 2417220, 2696130, 3115528, 3222960, 3504969, 3594840, 3894410, 4313808, 4673292, 4834440, 5392260, 5841615, 6231056, 7009938, 7189680, 7788820, 9346584, 9668880, 10784520, 11683230, 14019876, 15577640, 17524845, 18693168, 21569040, 23366460, 28039752, 31155280, 35049690, 46732920, 56079504, 70099380, 93465840, 140198760, 280397520]

約数ペア:

[(1, 280397520), (2, 140198760), (3, 93465840), (4, 70099380), (5, 56079504), (6, 46732920), (8, 35049690), (9, 31155280), (10, 28039752), (12, 23366460), (13, 21569040), (15, 18693168), (16, 17524845), (18, 15577640), (20, 14019876), (24, 11683230), (26, 10784520), (29, 9668880), (30, 9346584), (36, 7788820), (39, 7189680), (40, 7009938), (45, 6231056), (48, 5841615), (52, 5392260), (58, 4834440), (60, 4673292), (65, 4313808), (72, 3894410), (78, 3594840), (80, 3504969), (87, 3222960), (90, 3115528), (104, 2696130), (116, 2417220), (117, 2396560), (120, 2336646), (130, 2156904), (144, 1947205), (145, 1933776), (156, 1797420), (174, 1611480), (180, 1557764), (195, 1437936), (208, 1348065), (232, 1208610), (234, 1198280), (240, 1168323), (260, 1078452), (261, 1074320), (290, 966888), (312, 898710), (348, 805740), (360, 778882), (377, 743760), (390, 718968), (435, 644592), (464, 604305), (468, 599140), (520, 539226), (522, 537160), (580, 483444), (585, 479312), (624, 449355), (696, 402870), (720, 389441), (754, 371880), (780, 359484), (870, 322296), (936, 299570), (1033, 271440), (1040, 269613), (1044, 268580), (1131, 247920), (1160, 241722), (1170, 239656), (1305, 214864), (1392, 201435), (1508, 185940), (1560, 179742), (1740, 161148), (1872, 149785), (1885, 148752), (2066, 135720), (2088, 134290), (2262, 123960), (2320, 120861), (2340, 119828), (2610, 107432), (3016, 92970), (3099, 90480), (3120, 89871), (3393, 82640), (3480, 80574), (3770, 74376), (4132, 67860), (4176, 67145), (4524, 61980), (4680, 59914), (5165, 54288), (5220, 53716), (5655, 49584), (6032, 46485), (6198, 45240), (6786, 41320), (6960, 40287), (7540, 37188), (8264, 33930), (9048, 30990), (9297, 30160), (9360, 29957), (10330, 27144), (10440, 26858), (11310, 24792), (12396, 22620), (13429, 20880), (13572, 20660), (15080, 18594), (15495, 18096), (16528, 16965)]