287156940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{1579}}^1$

素因数の和:2031

約数の個数: 96

約数和(自身を含む): 921607680

約数和(自身を除く): 634450740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 433, 866, 1299, 1579, 1732, 2165, 2598, 3031, 3158, 4330, 4737, 5196, 6062, 6316, 6495, 7895, 8660, 9093, 9474, 11053, 12124, 12990, 15155, 15790, 18186, 18948, 22106, 23685, 25980, 30310, 31580, 33159, 36372, 44212, 45465, 47370, 55265, 60620, 66318, 90930, 94740, 110530, 132636, 165795, 181860, 221060, 331590, 663180, 683707, 1367414, 2051121, 2734828, 3418535, 4102242, 4785949, 6837070, 8204484, 9571898, 10255605, 13674140, 14357847, 19143796, 20511210, 23929745, 28715694, 41022420, 47859490, 57431388, 71789235, 95718980, 143578470, 287156940]

約数ペア:

[(1, 287156940), (2, 143578470), (3, 95718980), (4, 71789235), (5, 57431388), (6, 47859490), (7, 41022420), (10, 28715694), (12, 23929745), (14, 20511210), (15, 19143796), (20, 14357847), (21, 13674140), (28, 10255605), (30, 9571898), (35, 8204484), (42, 6837070), (60, 4785949), (70, 4102242), (84, 3418535), (105, 2734828), (140, 2051121), (210, 1367414), (420, 683707), (433, 663180), (866, 331590), (1299, 221060), (1579, 181860), (1732, 165795), (2165, 132636), (2598, 110530), (3031, 94740), (3158, 90930), (4330, 66318), (4737, 60620), (5196, 55265), (6062, 47370), (6316, 45465), (6495, 44212), (7895, 36372), (8660, 33159), (9093, 31580), (9474, 30310), (11053, 25980), (12124, 23685), (12990, 22106), (15155, 18948), (15790, 18186)]