128719320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2389}}^1$

素因数の和:2852

約数の個数: 64

約数和(自身を含む): 387180000

約数和(自身を除く): 258460680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 449, 898, 1347, 1796, 2245, 2389, 2694, 3592, 4490, 4778, 5388, 6735, 7167, 8980, 9556, 10776, 11945, 13470, 14334, 17960, 19112, 23890, 26940, 28668, 35835, 47780, 53880, 57336, 71670, 95560, 143340, 286680, 1072661, 2145322, 3217983, 4290644, 5363305, 6435966, 8581288, 10726610, 12871932, 16089915, 21453220, 25743864, 32179830, 42906440, 64359660, 128719320]

約数ペア:

[(1, 128719320), (2, 64359660), (3, 42906440), (4, 32179830), (5, 25743864), (6, 21453220), (8, 16089915), (10, 12871932), (12, 10726610), (15, 8581288), (20, 6435966), (24, 5363305), (30, 4290644), (40, 3217983), (60, 2145322), (120, 1072661), (449, 286680), (898, 143340), (1347, 95560), (1796, 71670), (2245, 57336), (2389, 53880), (2694, 47780), (3592, 35835), (4490, 28668), (4778, 26940), (5388, 23890), (6735, 19112), (7167, 17960), (8980, 14334), (9556, 13470), (10776, 11945)]