61042720

素因数分解:

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

素因数の和:474

約数の個数: 72

約数和(自身を含む): 149390892

約数和(自身を除く): 88348172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 397, 496, 620, 794, 961, 992, 1240, 1588, 1922, 1985, 2480, 3176, 3844, 3970, 4805, 4960, 6352, 7688, 7940, 9610, 12307, 12704, 15376, 15880, 19220, 24614, 30752, 31760, 38440, 49228, 61535, 63520, 76880, 98456, 123070, 153760, 196912, 246140, 381517, 393824, 492280, 763034, 984560, 1526068, 1907585, 1969120, 3052136, 3815170, 6104272, 7630340, 12208544, 15260680, 30521360, 61042720]

約数ペア:

[(1, 61042720), (2, 30521360), (4, 15260680), (5, 12208544), (8, 7630340), (10, 6104272), (16, 3815170), (20, 3052136), (31, 1969120), (32, 1907585), (40, 1526068), (62, 984560), (80, 763034), (124, 492280), (155, 393824), (160, 381517), (248, 246140), (310, 196912), (397, 153760), (496, 123070), (620, 98456), (794, 76880), (961, 63520), (992, 61535), (1240, 49228), (1588, 38440), (1922, 31760), (1985, 30752), (2480, 24614), (3176, 19220), (3844, 15880), (3970, 15376), (4805, 12704), (4960, 12307), (6352, 9610), (7688, 7940)]