221293260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{1483}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 672519120

約数和(自身を除く): 451225860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 829, 1483, 1658, 2487, 2966, 3316, 4145, 4449, 4974, 5932, 7415, 7461, 8290, 8898, 9948, 12435, 13347, 14830, 14922, 16580, 17796, 22245, 24870, 26694, 29660, 29844, 37305, 44490, 49740, 53388, 66735, 74610, 88980, 133470, 149220, 266940, 1229407, 2458814, 3688221, 4917628, 6147035, 7376442, 11064663, 12294070, 14752884, 18441105, 22129326, 24588140, 36882210, 44258652, 55323315, 73764420, 110646630, 221293260]

約数ペア:

[(1, 221293260), (2, 110646630), (3, 73764420), (4, 55323315), (5, 44258652), (6, 36882210), (9, 24588140), (10, 22129326), (12, 18441105), (15, 14752884), (18, 12294070), (20, 11064663), (30, 7376442), (36, 6147035), (45, 4917628), (60, 3688221), (90, 2458814), (180, 1229407), (829, 266940), (1483, 149220), (1658, 133470), (2487, 88980), (2966, 74610), (3316, 66735), (4145, 53388), (4449, 49740), (4974, 44490), (5932, 37305), (7415, 29844), (7461, 29660), (8290, 26694), (8898, 24870), (9948, 22245), (12435, 17796), (13347, 16580), (14830, 14922)]