12978090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:764

約数の個数: 64

約数和(自身を含む): 35147520

約数和(自身を除く): 22169430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 135, 142, 213, 270, 355, 426, 639, 677, 710, 1065, 1278, 1354, 1917, 2031, 2130, 3195, 3385, 3834, 4062, 6093, 6390, 6770, 9585, 10155, 12186, 18279, 19170, 20310, 30465, 36558, 48067, 60930, 91395, 96134, 144201, 182790, 240335, 288402, 432603, 480670, 721005, 865206, 1297809, 1442010, 2163015, 2595618, 4326030, 6489045, 12978090]

約数ペア:

[(1, 12978090), (2, 6489045), (3, 4326030), (5, 2595618), (6, 2163015), (9, 1442010), (10, 1297809), (15, 865206), (18, 721005), (27, 480670), (30, 432603), (45, 288402), (54, 240335), (71, 182790), (90, 144201), (135, 96134), (142, 91395), (213, 60930), (270, 48067), (355, 36558), (426, 30465), (639, 20310), (677, 19170), (710, 18279), (1065, 12186), (1278, 10155), (1354, 9585), (1917, 6770), (2031, 6390), (2130, 6093), (3195, 4062), (3385, 3834)]