2805627720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:876

約数の個数: 256

約数和(自身を含む): 10005626880

約数和(自身を除く): 7199999160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 163, 168, 186, 210, 217, 248, 280, 310, 326, 372, 420, 434, 465, 489, 620, 651, 652, 661, 744, 815, 840, 868, 930, 978, 1085, 1141, 1240, 1302, 1304, 1322, 1630, 1736, 1860, 1956, 1983, 2170, 2282, 2445, 2604, 2644, 3255, 3260, 3305, 3423, 3720, 3912, 3966, 4340, 4564, 4627, 4890, 5053, 5208, 5288, 5705, 6510, 6520, 6610, 6846, 7932, 8680, 9128, 9254, 9780, 9915, 10106, 11410, 13020, 13220, 13692, 13881, 15159, 15864, 17115, 18508, 19560, 19830, 20212, 20491, 22820, 23135, 25265, 26040, 26440, 27384, 27762, 30318, 34230, 35371, 37016, 39660, 40424, 40982, 45640, 46270, 50530, 55524, 60636, 61473, 68460, 69405, 70742, 75795, 79320, 81964, 92540, 101060, 102455, 106113, 107743, 111048, 121272, 122946, 136920, 138810, 141484, 143437, 151590, 163928, 176855, 185080, 202120, 204910, 212226, 215486, 245892, 277620, 282968, 286874, 303180, 307365, 323229, 353710, 409820, 424452, 430311, 430972, 491784, 530565, 538715, 555240, 573748, 606360, 614730, 646458, 707420, 717185, 754201, 819640, 848904, 860622, 861944, 1061130, 1077430, 1147496, 1229460, 1292916, 1414840, 1434370, 1508402, 1616145, 1721244, 2122260, 2151555, 2154860, 2262603, 2458920, 2585832, 2868740, 3016804, 3232290, 3340033, 3442488, 3771005, 4244520, 4303110, 4309720, 4525206, 5737480, 6033608, 6464580, 6680066, 7542010, 8606220, 9050412, 10020099, 11313015, 12929160, 13360132, 15084020, 16700165, 17212440, 18100824, 20040198, 22626030, 23380231, 26720264, 30168040, 33400330, 40080396, 45252060, 46760462, 50100495, 66800660, 70140693, 80160792, 90504120, 93520924, 100200990, 116901155, 133601320, 140281386, 187041848, 200401980, 233802310, 280562772, 350703465, 400803960, 467604620, 561125544, 701406930, 935209240, 1402813860, 2805627720]

約数ペア:

[(1, 2805627720), (2, 1402813860), (3, 935209240), (4, 701406930), (5, 561125544), (6, 467604620), (7, 400803960), (8, 350703465), (10, 280562772), (12, 233802310), (14, 200401980), (15, 187041848), (20, 140281386), (21, 133601320), (24, 116901155), (28, 100200990), (30, 93520924), (31, 90504120), (35, 80160792), (40, 70140693), (42, 66800660), (56, 50100495), (60, 46760462), (62, 45252060), (70, 40080396), (84, 33400330), (93, 30168040), (105, 26720264), (120, 23380231), (124, 22626030), (140, 20040198), (155, 18100824), (163, 17212440), (168, 16700165), (186, 15084020), (210, 13360132), (217, 12929160), (248, 11313015), (280, 10020099), (310, 9050412), (326, 8606220), (372, 7542010), (420, 6680066), (434, 6464580), (465, 6033608), (489, 5737480), (620, 4525206), (651, 4309720), (652, 4303110), (661, 4244520), (744, 3771005), (815, 3442488), (840, 3340033), (868, 3232290), (930, 3016804), (978, 2868740), (1085, 2585832), (1141, 2458920), (1240, 2262603), (1302, 2154860), (1304, 2151555), (1322, 2122260), (1630, 1721244), (1736, 1616145), (1860, 1508402), (1956, 1434370), (1983, 1414840), (2170, 1292916), (2282, 1229460), (2445, 1147496), (2604, 1077430), (2644, 1061130), (3255, 861944), (3260, 860622), (3305, 848904), (3423, 819640), (3720, 754201), (3912, 717185), (3966, 707420), (4340, 646458), (4564, 614730), (4627, 606360), (4890, 573748), (5053, 555240), (5208, 538715), (5288, 530565), (5705, 491784), (6510, 430972), (6520, 430311), (6610, 424452), (6846, 409820), (7932, 353710), (8680, 323229), (9128, 307365), (9254, 303180), (9780, 286874), (9915, 282968), (10106, 277620), (11410, 245892), (13020, 215486), (13220, 212226), (13692, 204910), (13881, 202120), (15159, 185080), (15864, 176855), (17115, 163928), (18508, 151590), (19560, 143437), (19830, 141484), (20212, 138810), (20491, 136920), (22820, 122946), (23135, 121272), (25265, 111048), (26040, 107743), (26440, 106113), (27384, 102455), (27762, 101060), (30318, 92540), (34230, 81964), (35371, 79320), (37016, 75795), (39660, 70742), (40424, 69405), (40982, 68460), (45640, 61473), (46270, 60636), (50530, 55524)]