213501720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2767}}^1$

素因数の和:3424

約数の個数: 64

約数和(自身を含む): 641733120

約数和(自身を除く): 428231400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 643, 1286, 1929, 2572, 2767, 3215, 3858, 5144, 5534, 6430, 7716, 8301, 9645, 11068, 12860, 13835, 15432, 16602, 19290, 22136, 25720, 27670, 33204, 38580, 41505, 55340, 66408, 77160, 83010, 110680, 166020, 332040, 1779181, 3558362, 5337543, 7116724, 8895905, 10675086, 14233448, 17791810, 21350172, 26687715, 35583620, 42700344, 53375430, 71167240, 106750860, 213501720]

約数ペア:

[(1, 213501720), (2, 106750860), (3, 71167240), (4, 53375430), (5, 42700344), (6, 35583620), (8, 26687715), (10, 21350172), (12, 17791810), (15, 14233448), (20, 10675086), (24, 8895905), (30, 7116724), (40, 5337543), (60, 3558362), (120, 1779181), (643, 332040), (1286, 166020), (1929, 110680), (2572, 83010), (2767, 77160), (3215, 66408), (3858, 55340), (5144, 41505), (5534, 38580), (6430, 33204), (7716, 27670), (8301, 25720), (9645, 22136), (11068, 19290), (12860, 16602), (13835, 15432)]