1028270280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{120689}}^1$

素因数の和:120774

約数の個数: 64

約数和(自身を含む): 3128284800

約数和(自身を除く): 2100014520

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, 4260, 8520, 120689, 241378, 362067, 482756, 603445, 724134, 965512, 1206890, 1448268, 1810335, 2413780, 2896536, 3620670, 4827560, 7241340, 8568919, 14482680, 17137838, 25706757, 34275676, 42844595, 51413514, 68551352, 85689190, 102827028, 128533785, 171378380, 205654056, 257067570, 342756760, 514135140, 1028270280]

約数ペア:

[(1, 1028270280), (2, 514135140), (3, 342756760), (4, 257067570), (5, 205654056), (6, 171378380), (8, 128533785), (10, 102827028), (12, 85689190), (15, 68551352), (20, 51413514), (24, 42844595), (30, 34275676), (40, 25706757), (60, 17137838), (71, 14482680), (120, 8568919), (142, 7241340), (213, 4827560), (284, 3620670), (355, 2896536), (426, 2413780), (568, 1810335), (710, 1448268), (852, 1206890), (1065, 965512), (1420, 724134), (1704, 603445), (2130, 482756), (2840, 362067), (4260, 241378), (8520, 120689)]