28278510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2393

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 47200530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2339, 2418, 4030, 4678, 6045, 7017, 11695, 12090, 14034, 23390, 30407, 35085, 60814, 70170, 72509, 91221, 145018, 152035, 182442, 217527, 304070, 362545, 435054, 456105, 725090, 912210, 942617, 1087635, 1885234, 2175270, 2827851, 4713085, 5655702, 9426170, 14139255, 28278510]

約数ペア:

[(1, 28278510), (2, 14139255), (3, 9426170), (5, 5655702), (6, 4713085), (10, 2827851), (13, 2175270), (15, 1885234), (26, 1087635), (30, 942617), (31, 912210), (39, 725090), (62, 456105), (65, 435054), (78, 362545), (93, 304070), (130, 217527), (155, 182442), (186, 152035), (195, 145018), (310, 91221), (390, 72509), (403, 70170), (465, 60814), (806, 35085), (930, 30407), (1209, 23390), (2015, 14034), (2339, 12090), (2418, 11695), (4030, 7017), (4678, 6045)]