28311960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3323}}^1$

素因数の和:3408

約数の個数: 64

約数和(自身を含む): 86158080

約数和(自身を除く): 57846120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 3323, 4260, 6646, 8520, 9969, 13292, 16615, 19938, 26584, 33230, 39876, 49845, 66460, 79752, 99690, 132920, 199380, 235933, 398760, 471866, 707799, 943732, 1179665, 1415598, 1887464, 2359330, 2831196, 3538995, 4718660, 5662392, 7077990, 9437320, 14155980, 28311960]

約数ペア:

[(1, 28311960), (2, 14155980), (3, 9437320), (4, 7077990), (5, 5662392), (6, 4718660), (8, 3538995), (10, 2831196), (12, 2359330), (15, 1887464), (20, 1415598), (24, 1179665), (30, 943732), (40, 707799), (60, 471866), (71, 398760), (120, 235933), (142, 199380), (213, 132920), (284, 99690), (355, 79752), (426, 66460), (568, 49845), (710, 39876), (852, 33230), (1065, 26584), (1420, 19938), (1704, 16615), (2130, 13292), (2840, 9969), (3323, 8520), (4260, 6646)]