251167980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{1051}}^1$

素因数の和:1639

約数の個数: 96

約数和(自身を含む): 805916160

約数和(自身を除く): 554748180

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, 569, 1051, 1138, 1707, 2102, 2276, 2845, 3153, 3414, 3983, 4204, 5255, 5690, 6306, 6828, 7357, 7966, 8535, 10510, 11380, 11949, 12612, 14714, 15765, 15932, 17070, 19915, 21020, 22071, 23898, 29428, 31530, 34140, 36785, 39830, 44142, 47796, 59745, 63060, 73570, 79660, 88284, 110355, 119490, 147140, 220710, 238980, 441420, 598019, 1196038, 1794057, 2392076, 2990095, 3588114, 4186133, 5980190, 7176228, 8372266, 8970285, 11960380, 12558399, 16744532, 17940570, 20930665, 25116798, 35881140, 41861330, 50233596, 62791995, 83722660, 125583990, 251167980]

約数ペア:

[(1, 251167980), (2, 125583990), (3, 83722660), (4, 62791995), (5, 50233596), (6, 41861330), (7, 35881140), (10, 25116798), (12, 20930665), (14, 17940570), (15, 16744532), (20, 12558399), (21, 11960380), (28, 8970285), (30, 8372266), (35, 7176228), (42, 5980190), (60, 4186133), (70, 3588114), (84, 2990095), (105, 2392076), (140, 1794057), (210, 1196038), (420, 598019), (569, 441420), (1051, 238980), (1138, 220710), (1707, 147140), (2102, 119490), (2276, 110355), (2845, 88284), (3153, 79660), (3414, 73570), (3983, 63060), (4204, 59745), (5255, 47796), (5690, 44142), (6306, 39830), (6828, 36785), (7357, 34140), (7966, 31530), (8535, 29428), (10510, 23898), (11380, 22071), (11949, 21020), (12612, 19915), (14714, 17070), (15765, 15932)]