28493580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1987}}^1$

素因数の和:2238

約数の個数: 48

約数和(自身を含む): 80156160

約数和(自身を除く): 51662580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1434, 1987, 2390, 2868, 3585, 3974, 4780, 5961, 7170, 7948, 9935, 11922, 14340, 19870, 23844, 29805, 39740, 59610, 119220, 474893, 949786, 1424679, 1899572, 2374465, 2849358, 4748930, 5698716, 7123395, 9497860, 14246790, 28493580]

約数ペア:

[(1, 28493580), (2, 14246790), (3, 9497860), (4, 7123395), (5, 5698716), (6, 4748930), (10, 2849358), (12, 2374465), (15, 1899572), (20, 1424679), (30, 949786), (60, 474893), (239, 119220), (478, 59610), (717, 39740), (956, 29805), (1195, 23844), (1434, 19870), (1987, 14340), (2390, 11922), (2868, 9935), (3585, 7948), (3974, 7170), (4780, 5961)]