61037990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 127370880

約数和(自身を除く): 66332890

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 71, 85, 130, 142, 170, 221, 355, 389, 442, 710, 778, 923, 1105, 1207, 1846, 1945, 2210, 2414, 3890, 4615, 5057, 6035, 6613, 9230, 10114, 12070, 13226, 15691, 25285, 27619, 31382, 33065, 50570, 55238, 66130, 78455, 85969, 138095, 156910, 171938, 276190, 359047, 429845, 469523, 718094, 859690, 939046, 1795235, 2347615, 3590470, 4695230, 6103799, 12207598, 30518995, 61037990]

約数ペア:

[(1, 61037990), (2, 30518995), (5, 12207598), (10, 6103799), (13, 4695230), (17, 3590470), (26, 2347615), (34, 1795235), (65, 939046), (71, 859690), (85, 718094), (130, 469523), (142, 429845), (170, 359047), (221, 276190), (355, 171938), (389, 156910), (442, 138095), (710, 85969), (778, 78455), (923, 66130), (1105, 55238), (1207, 50570), (1846, 33065), (1945, 31382), (2210, 27619), (2414, 25285), (3890, 15691), (4615, 13226), (5057, 12070), (6035, 10114), (6613, 9230)]