213105840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{887941}}^1$

素因数の和:887957

約数の個数: 40

約数和(自身を含む): 660628848

約数和(自身を除く): 447523008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 887941, 1775882, 2663823, 3551764, 4439705, 5327646, 7103528, 8879410, 10655292, 13319115, 14207056, 17758820, 21310584, 26638230, 35517640, 42621168, 53276460, 71035280, 106552920, 213105840]

約数ペア:

[(1, 213105840), (2, 106552920), (3, 71035280), (4, 53276460), (5, 42621168), (6, 35517640), (8, 26638230), (10, 21310584), (12, 17758820), (15, 14207056), (16, 13319115), (20, 10655292), (24, 8879410), (30, 7103528), (40, 5327646), (48, 4439705), (60, 3551764), (80, 2663823), (120, 1775882), (240, 887941)]