21262539240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1\times {\mathrm{991}}^1$

素因数の和:1672

約数の個数: 192

約数和(自身を含む): 69944808960

約数和(自身を除く): 48682269720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 535, 557, 642, 856, 963, 991, 1070, 1114, 1284, 1605, 1671, 1926, 1982, 2140, 2228, 2568, 2785, 2973, 3210, 3342, 3852, 3964, 4280, 4456, 4815, 4955, 5013, 5570, 5946, 6420, 6684, 7704, 7928, 8355, 8919, 9630, 9910, 10026, 11140, 11892, 12840, 13368, 14865, 16710, 17838, 19260, 19820, 20052, 22280, 23784, 25065, 29730, 33420, 35676, 38520, 39640, 40104, 44595, 50130, 59460, 59599, 66840, 71352, 89190, 100260, 106037, 118920, 119198, 178380, 178797, 200520, 212074, 238396, 297995, 318111, 356760, 357594, 424148, 476792, 530185, 536391, 551987, 595990, 636222, 715188, 848296, 893985, 954333, 1060370, 1072782, 1103974, 1191980, 1272444, 1430376, 1590555, 1655961, 1787970, 1908666, 2120740, 2145564, 2207948, 2383960, 2544888, 2681955, 2759935, 3181110, 3311922, 3575940, 3817332, 4241480, 4291128, 4415896, 4771665, 4967883, 5363910, 5519870, 6362220, 6623844, 7151880, 7634664, 8279805, 9543330, 9935766, 10727820, 11039740, 12724440, 13247688, 16559610, 19086660, 19871532, 21455640, 22079480, 24839415, 33119220, 38173320, 39743064, 49678830, 59062609, 66238440, 99357660, 118125218, 177187827, 198715320, 236250436, 295313045, 354375654, 472500872, 531563481, 590626090, 708751308, 885939135, 1063126962, 1181252180, 1417502616, 1771878270, 2126253924, 2362504360, 2657817405, 3543756540, 4252507848, 5315634810, 7087513080, 10631269620, 21262539240]

約数ペア:

[(1, 21262539240), (2, 10631269620), (3, 7087513080), (4, 5315634810), (5, 4252507848), (6, 3543756540), (8, 2657817405), (9, 2362504360), (10, 2126253924), (12, 1771878270), (15, 1417502616), (18, 1181252180), (20, 1063126962), (24, 885939135), (30, 708751308), (36, 590626090), (40, 531563481), (45, 472500872), (60, 354375654), (72, 295313045), (90, 236250436), (107, 198715320), (120, 177187827), (180, 118125218), (214, 99357660), (321, 66238440), (360, 59062609), (428, 49678830), (535, 39743064), (557, 38173320), (642, 33119220), (856, 24839415), (963, 22079480), (991, 21455640), (1070, 19871532), (1114, 19086660), (1284, 16559610), (1605, 13247688), (1671, 12724440), (1926, 11039740), (1982, 10727820), (2140, 9935766), (2228, 9543330), (2568, 8279805), (2785, 7634664), (2973, 7151880), (3210, 6623844), (3342, 6362220), (3852, 5519870), (3964, 5363910), (4280, 4967883), (4456, 4771665), (4815, 4415896), (4955, 4291128), (5013, 4241480), (5570, 3817332), (5946, 3575940), (6420, 3311922), (6684, 3181110), (7704, 2759935), (7928, 2681955), (8355, 2544888), (8919, 2383960), (9630, 2207948), (9910, 2145564), (10026, 2120740), (11140, 1908666), (11892, 1787970), (12840, 1655961), (13368, 1590555), (14865, 1430376), (16710, 1272444), (17838, 1191980), (19260, 1103974), (19820, 1072782), (20052, 1060370), (22280, 954333), (23784, 893985), (25065, 848296), (29730, 715188), (33420, 636222), (35676, 595990), (38520, 551987), (39640, 536391), (40104, 530185), (44595, 476792), (50130, 424148), (59460, 357594), (59599, 356760), (66840, 318111), (71352, 297995), (89190, 238396), (100260, 212074), (106037, 200520), (118920, 178797), (119198, 178380)]