15397890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 38361600

約数和(自身を除く): 22963710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 79, 89, 146, 158, 178, 219, 237, 267, 365, 395, 438, 445, 474, 534, 730, 790, 890, 1095, 1185, 1335, 2190, 2370, 2670, 5767, 6497, 7031, 11534, 12994, 14062, 17301, 19491, 21093, 28835, 32485, 34602, 35155, 38982, 42186, 57670, 64970, 70310, 86505, 97455, 105465, 173010, 194910, 210930, 513263, 1026526, 1539789, 2566315, 3079578, 5132630, 7698945, 15397890]

約数ペア:

[(1, 15397890), (2, 7698945), (3, 5132630), (5, 3079578), (6, 2566315), (10, 1539789), (15, 1026526), (30, 513263), (73, 210930), (79, 194910), (89, 173010), (146, 105465), (158, 97455), (178, 86505), (219, 70310), (237, 64970), (267, 57670), (365, 42186), (395, 38982), (438, 35155), (445, 34602), (474, 32485), (534, 28835), (730, 21093), (790, 19491), (890, 17301), (1095, 14062), (1185, 12994), (1335, 11534), (2190, 7031), (2370, 6497), (2670, 5767)]