1278152880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{22283}}^1$

素因数の和:22538

約数の個数: 80

約数和(自身を含む): 3979031040

約数和(自身を除く): 2700878160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3824, 4780, 5736, 7170, 9560, 11472, 14340, 19120, 22283, 28680, 44566, 57360, 66849, 89132, 111415, 133698, 178264, 222830, 267396, 334245, 356528, 445660, 534792, 668490, 891320, 1069584, 1336980, 1782640, 2673960, 5325637, 5347920, 10651274, 15976911, 21302548, 26628185, 31953822, 42605096, 53256370, 63907644, 79884555, 85210192, 106512740, 127815288, 159769110, 213025480, 255630576, 319538220, 426050960, 639076440, 1278152880]

約数ペア:

[(1, 1278152880), (2, 639076440), (3, 426050960), (4, 319538220), (5, 255630576), (6, 213025480), (8, 159769110), (10, 127815288), (12, 106512740), (15, 85210192), (16, 79884555), (20, 63907644), (24, 53256370), (30, 42605096), (40, 31953822), (48, 26628185), (60, 21302548), (80, 15976911), (120, 10651274), (239, 5347920), (240, 5325637), (478, 2673960), (717, 1782640), (956, 1336980), (1195, 1069584), (1434, 891320), (1912, 668490), (2390, 534792), (2868, 445660), (3585, 356528), (3824, 334245), (4780, 267396), (5736, 222830), (7170, 178264), (9560, 133698), (11472, 111415), (14340, 89132), (19120, 66849), (22283, 57360), (28680, 44566)]