15260680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 35569260

約数和(自身を除く): 20308580

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 397, 620, 794, 961, 1240, 1588, 1922, 1985, 3176, 3844, 3970, 4805, 7688, 7940, 9610, 12307, 15880, 19220, 24614, 38440, 49228, 61535, 98456, 123070, 246140, 381517, 492280, 763034, 1526068, 1907585, 3052136, 3815170, 7630340, 15260680]

約数ペア:

[(1, 15260680), (2, 7630340), (4, 3815170), (5, 3052136), (8, 1907585), (10, 1526068), (20, 763034), (31, 492280), (40, 381517), (62, 246140), (124, 123070), (155, 98456), (248, 61535), (310, 49228), (397, 38440), (620, 24614), (794, 19220), (961, 15880), (1240, 12307), (1588, 9610), (1922, 7940), (1985, 7688), (3176, 4805), (3844, 3970)]