31656060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2477}}^1$

素因数の和:2563

約数の個数: 72

約数和(自身を含む): 97415136

約数和(自身を除く): 65759076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2477, 2556, 3195, 4260, 4954, 6390, 7431, 9908, 12385, 12780, 14862, 22293, 24770, 29724, 37155, 44586, 49540, 74310, 89172, 111465, 148620, 175867, 222930, 351734, 445860, 527601, 703468, 879335, 1055202, 1582803, 1758670, 2110404, 2638005, 3165606, 3517340, 5276010, 6331212, 7914015, 10552020, 15828030, 31656060]

約数ペア:

[(1, 31656060), (2, 15828030), (3, 10552020), (4, 7914015), (5, 6331212), (6, 5276010), (9, 3517340), (10, 3165606), (12, 2638005), (15, 2110404), (18, 1758670), (20, 1582803), (30, 1055202), (36, 879335), (45, 703468), (60, 527601), (71, 445860), (90, 351734), (142, 222930), (180, 175867), (213, 148620), (284, 111465), (355, 89172), (426, 74310), (639, 49540), (710, 44586), (852, 37155), (1065, 29724), (1278, 24770), (1420, 22293), (2130, 14862), (2477, 12780), (2556, 12385), (3195, 9908), (4260, 7431), (4954, 6390)]