861435680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5783}}^1$

素因数の和:5831

約数の個数: 144

約数和(自身を含む): 2492441280

約数和(自身を除く): 1631005600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1520, 1568, 1862, 1960, 2128, 2660, 3040, 3724, 3920, 4256, 4655, 5320, 5783, 7448, 7840, 9310, 10640, 11566, 14896, 18620, 21280, 23132, 28915, 29792, 37240, 40481, 46264, 57830, 74480, 80962, 92528, 109877, 115660, 148960, 161924, 185056, 202405, 219754, 231320, 283367, 323848, 404810, 439508, 462640, 549385, 566734, 647696, 769139, 809620, 879016, 925280, 1098770, 1133468, 1295392, 1416835, 1538278, 1619240, 1758032, 2197540, 2266936, 2833670, 3076556, 3238480, 3516064, 3845695, 4395080, 4533872, 5383973, 5667340, 6153112, 6476960, 7691390, 8790160, 9067744, 10767946, 11334680, 12306224, 15382780, 17580320, 21535892, 22669360, 24612448, 26919865, 30765560, 43071784, 45338720, 53839730, 61531120, 86143568, 107679460, 123062240, 172287136, 215358920, 430717840, 861435680]

約数ペア:

[(1, 861435680), (2, 430717840), (4, 215358920), (5, 172287136), (7, 123062240), (8, 107679460), (10, 86143568), (14, 61531120), (16, 53839730), (19, 45338720), (20, 43071784), (28, 30765560), (32, 26919865), (35, 24612448), (38, 22669360), (40, 21535892), (49, 17580320), (56, 15382780), (70, 12306224), (76, 11334680), (80, 10767946), (95, 9067744), (98, 8790160), (112, 7691390), (133, 6476960), (140, 6153112), (152, 5667340), (160, 5383973), (190, 4533872), (196, 4395080), (224, 3845695), (245, 3516064), (266, 3238480), (280, 3076556), (304, 2833670), (380, 2266936), (392, 2197540), (490, 1758032), (532, 1619240), (560, 1538278), (608, 1416835), (665, 1295392), (760, 1133468), (784, 1098770), (931, 925280), (980, 879016), (1064, 809620), (1120, 769139), (1330, 647696), (1520, 566734), (1568, 549385), (1862, 462640), (1960, 439508), (2128, 404810), (2660, 323848), (3040, 283367), (3724, 231320), (3920, 219754), (4256, 202405), (4655, 185056), (5320, 161924), (5783, 148960), (7448, 115660), (7840, 109877), (9310, 92528), (10640, 80962), (11566, 74480), (14896, 57830), (18620, 46264), (21280, 40481), (23132, 37240), (28915, 29792)]