642859560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3593}}^1$

素因数の和:3688

約数の個数: 192

約数和(自身を含む): 2422068480

約数和(自身を除く): 1779208920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 105, 120, 126, 140, 142, 168, 180, 210, 213, 252, 280, 284, 315, 355, 360, 420, 426, 497, 504, 568, 630, 639, 710, 840, 852, 994, 1065, 1260, 1278, 1420, 1491, 1704, 1988, 2130, 2485, 2520, 2556, 2840, 2982, 3195, 3593, 3976, 4260, 4473, 4970, 5112, 5964, 6390, 7186, 7455, 8520, 8946, 9940, 10779, 11928, 12780, 14372, 14910, 17892, 17965, 19880, 21558, 22365, 25151, 25560, 28744, 29820, 32337, 35784, 35930, 43116, 44730, 50302, 53895, 59640, 64674, 71860, 75453, 86232, 89460, 100604, 107790, 125755, 129348, 143720, 150906, 161685, 178920, 201208, 215580, 226359, 251510, 255103, 258696, 301812, 323370, 377265, 431160, 452718, 503020, 510206, 603624, 646740, 754530, 765309, 905436, 1006040, 1020412, 1131795, 1275515, 1293480, 1509060, 1530618, 1785721, 1810872, 2040824, 2263590, 2295927, 2551030, 3018120, 3061236, 3571442, 3826545, 4527180, 4591854, 5102060, 5357163, 6122472, 7142884, 7653090, 8928605, 9054360, 9183708, 10204120, 10714326, 11479635, 14285768, 15306180, 16071489, 17857210, 18367416, 21428652, 22959270, 26785815, 30612360, 32142978, 35714420, 42857304, 45918540, 53571630, 64285956, 71428840, 80357445, 91837080, 107143260, 128571912, 160714890, 214286520, 321429780, 642859560]

約数ペア:

[(1, 642859560), (2, 321429780), (3, 214286520), (4, 160714890), (5, 128571912), (6, 107143260), (7, 91837080), (8, 80357445), (9, 71428840), (10, 64285956), (12, 53571630), (14, 45918540), (15, 42857304), (18, 35714420), (20, 32142978), (21, 30612360), (24, 26785815), (28, 22959270), (30, 21428652), (35, 18367416), (36, 17857210), (40, 16071489), (42, 15306180), (45, 14285768), (56, 11479635), (60, 10714326), (63, 10204120), (70, 9183708), (71, 9054360), (72, 8928605), (84, 7653090), (90, 7142884), (105, 6122472), (120, 5357163), (126, 5102060), (140, 4591854), (142, 4527180), (168, 3826545), (180, 3571442), (210, 3061236), (213, 3018120), (252, 2551030), (280, 2295927), (284, 2263590), (315, 2040824), (355, 1810872), (360, 1785721), (420, 1530618), (426, 1509060), (497, 1293480), (504, 1275515), (568, 1131795), (630, 1020412), (639, 1006040), (710, 905436), (840, 765309), (852, 754530), (994, 646740), (1065, 603624), (1260, 510206), (1278, 503020), (1420, 452718), (1491, 431160), (1704, 377265), (1988, 323370), (2130, 301812), (2485, 258696), (2520, 255103), (2556, 251510), (2840, 226359), (2982, 215580), (3195, 201208), (3593, 178920), (3976, 161685), (4260, 150906), (4473, 143720), (4970, 129348), (5112, 125755), (5964, 107790), (6390, 100604), (7186, 89460), (7455, 86232), (8520, 75453), (8946, 71860), (9940, 64674), (10779, 59640), (11928, 53895), (12780, 50302), (14372, 44730), (14910, 43116), (17892, 35930), (17965, 35784), (19880, 32337), (21558, 29820), (22365, 28744), (25151, 25560)]