28927860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37087}}^1$

素因数の和:37112

約数の個数: 48

約数和(自身を含む): 87230976

約数和(自身を除く): 58303116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 37087, 74174, 111261, 148348, 185435, 222522, 370870, 445044, 482131, 556305, 741740, 964262, 1112610, 1446393, 1928524, 2225220, 2410655, 2892786, 4821310, 5785572, 7231965, 9642620, 14463930, 28927860]

約数ペア:

[(1, 28927860), (2, 14463930), (3, 9642620), (4, 7231965), (5, 5785572), (6, 4821310), (10, 2892786), (12, 2410655), (13, 2225220), (15, 1928524), (20, 1446393), (26, 1112610), (30, 964262), (39, 741740), (52, 556305), (60, 482131), (65, 445044), (78, 370870), (130, 222522), (156, 185435), (195, 148348), (260, 111261), (390, 74174), (780, 37087)]