56493990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 175011840

約数和(自身を除く): 118517850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 421, 426, 497, 630, 639, 710, 842, 945, 994, 1065, 1263, 1278, 1491, 1890, 1917, 2105, 2130, 2485, 2526, 2947, 2982, 3195, 3789, 3834, 4210, 4473, 4970, 5894, 6315, 6390, 7455, 7578, 8841, 8946, 9585, 11367, 12630, 13419, 14735, 14910, 17682, 18945, 19170, 22365, 22734, 26523, 26838, 29470, 29891, 37890, 44205, 44730, 53046, 56835, 59782, 67095, 79569, 88410, 89673, 113670, 132615, 134190, 149455, 159138, 179346, 209237, 265230, 269019, 298910, 397845, 418474, 448365, 538038, 627711, 795690, 807057, 896730, 1046185, 1255422, 1345095, 1614114, 1883133, 2092370, 2690190, 3138555, 3766266, 4035285, 5649399, 6277110, 8070570, 9415665, 11298798, 18831330, 28246995, 56493990]

約数ペア:

[(1, 56493990), (2, 28246995), (3, 18831330), (5, 11298798), (6, 9415665), (7, 8070570), (9, 6277110), (10, 5649399), (14, 4035285), (15, 3766266), (18, 3138555), (21, 2690190), (27, 2092370), (30, 1883133), (35, 1614114), (42, 1345095), (45, 1255422), (54, 1046185), (63, 896730), (70, 807057), (71, 795690), (90, 627711), (105, 538038), (126, 448365), (135, 418474), (142, 397845), (189, 298910), (210, 269019), (213, 265230), (270, 209237), (315, 179346), (355, 159138), (378, 149455), (421, 134190), (426, 132615), (497, 113670), (630, 89673), (639, 88410), (710, 79569), (842, 67095), (945, 59782), (994, 56835), (1065, 53046), (1263, 44730), (1278, 44205), (1491, 37890), (1890, 29891), (1917, 29470), (2105, 26838), (2130, 26523), (2485, 22734), (2526, 22365), (2947, 19170), (2982, 18945), (3195, 17682), (3789, 14910), (3834, 14735), (4210, 13419), (4473, 12630), (4970, 11367), (5894, 9585), (6315, 8946), (6390, 8841), (7455, 7578)]