28440630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7349}}^1$

素因数の和:7405

約数の個数: 48

約数和(自身を含む): 75675600

約数和(自身を除く): 47234970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 7349, 14698, 22047, 36745, 44094, 66141, 73490, 110235, 132282, 220470, 316007, 330705, 632014, 661410, 948021, 1580035, 1896042, 2844063, 3160070, 4740105, 5688126, 9480210, 14220315, 28440630]

約数ペア:

[(1, 28440630), (2, 14220315), (3, 9480210), (5, 5688126), (6, 4740105), (9, 3160070), (10, 2844063), (15, 1896042), (18, 1580035), (30, 948021), (43, 661410), (45, 632014), (86, 330705), (90, 316007), (129, 220470), (215, 132282), (258, 110235), (387, 73490), (430, 66141), (645, 44094), (774, 36745), (1290, 22047), (1935, 14698), (3870, 7349)]