28280460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2789}}^1$

素因数の和:2827

約数の個数: 72

約数和(自身を含む): 85775760

約数和(自身を除く): 57495300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 2789, 3380, 5070, 5578, 8367, 10140, 11156, 13945, 16734, 27890, 33468, 36257, 41835, 55780, 72514, 83670, 108771, 145028, 167340, 181285, 217542, 362570, 435084, 471341, 543855, 725140, 942682, 1087710, 1414023, 1885364, 2175420, 2356705, 2828046, 4713410, 5656092, 7070115, 9426820, 14140230, 28280460]

約数ペア:

[(1, 28280460), (2, 14140230), (3, 9426820), (4, 7070115), (5, 5656092), (6, 4713410), (10, 2828046), (12, 2356705), (13, 2175420), (15, 1885364), (20, 1414023), (26, 1087710), (30, 942682), (39, 725140), (52, 543855), (60, 471341), (65, 435084), (78, 362570), (130, 217542), (156, 181285), (169, 167340), (195, 145028), (260, 108771), (338, 83670), (390, 72514), (507, 55780), (676, 41835), (780, 36257), (845, 33468), (1014, 27890), (1690, 16734), (2028, 13945), (2535, 11156), (2789, 10140), (3380, 8367), (5070, 5578)]