28728420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1029

約数の個数: 96

約数和(自身を含む): 93289728

約数和(自身を除く): 64561308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 937, 1022, 1095, 1460, 1533, 1874, 2044, 2190, 2555, 2811, 3066, 3748, 4380, 4685, 5110, 5622, 6132, 6559, 7665, 9370, 10220, 11244, 13118, 14055, 15330, 18740, 19677, 26236, 28110, 30660, 32795, 39354, 56220, 65590, 68401, 78708, 98385, 131180, 136802, 196770, 205203, 273604, 342005, 393540, 410406, 478807, 684010, 820812, 957614, 1026015, 1368020, 1436421, 1915228, 2052030, 2394035, 2872842, 4104060, 4788070, 5745684, 7182105, 9576140, 14364210, 28728420]

約数ペア:

[(1, 28728420), (2, 14364210), (3, 9576140), (4, 7182105), (5, 5745684), (6, 4788070), (7, 4104060), (10, 2872842), (12, 2394035), (14, 2052030), (15, 1915228), (20, 1436421), (21, 1368020), (28, 1026015), (30, 957614), (35, 820812), (42, 684010), (60, 478807), (70, 410406), (73, 393540), (84, 342005), (105, 273604), (140, 205203), (146, 196770), (210, 136802), (219, 131180), (292, 98385), (365, 78708), (420, 68401), (438, 65590), (511, 56220), (730, 39354), (876, 32795), (937, 30660), (1022, 28110), (1095, 26236), (1460, 19677), (1533, 18740), (1874, 15330), (2044, 14055), (2190, 13118), (2555, 11244), (2811, 10220), (3066, 9370), (3748, 7665), (4380, 6559), (4685, 6132), (5110, 5622)]