139823880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{166457}}^1$

素因数の和:166478

約数の個数: 64

約数和(自身を含む): 479399040

約数和(自身を除く): 339575160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 166457, 332914, 499371, 665828, 832285, 998742, 1165199, 1331656, 1664570, 1997484, 2330398, 2496855, 3329140, 3495597, 3994968, 4660796, 4993710, 5825995, 6658280, 6991194, 9321592, 9987420, 11651990, 13982388, 17477985, 19974840, 23303980, 27964776, 34955970, 46607960, 69911940, 139823880]

約数ペア:

[(1, 139823880), (2, 69911940), (3, 46607960), (4, 34955970), (5, 27964776), (6, 23303980), (7, 19974840), (8, 17477985), (10, 13982388), (12, 11651990), (14, 9987420), (15, 9321592), (20, 6991194), (21, 6658280), (24, 5825995), (28, 4993710), (30, 4660796), (35, 3994968), (40, 3495597), (42, 3329140), (56, 2496855), (60, 2330398), (70, 1997484), (84, 1664570), (105, 1331656), (120, 1165199), (140, 998742), (168, 832285), (210, 665828), (280, 499371), (420, 332914), (840, 166457)]