1279563560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{21227}}^1$

素因数の和:21386

約数の個数: 64

約数和(自身を含む): 3163821120

約数和(自身を除く): 1884257560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 1096, 1370, 1507, 2740, 3014, 5480, 6028, 7535, 12056, 15070, 21227, 30140, 42454, 60280, 84908, 106135, 169816, 212270, 233497, 424540, 466994, 849080, 933988, 1167485, 1867976, 2334970, 2908099, 4669940, 5816198, 9339880, 11632396, 14540495, 23264792, 29080990, 31989089, 58161980, 63978178, 116323960, 127956356, 159945445, 255912712, 319890890, 639781780, 1279563560]

約数ペア:

[(1, 1279563560), (2, 639781780), (4, 319890890), (5, 255912712), (8, 159945445), (10, 127956356), (11, 116323960), (20, 63978178), (22, 58161980), (40, 31989089), (44, 29080990), (55, 23264792), (88, 14540495), (110, 11632396), (137, 9339880), (220, 5816198), (274, 4669940), (440, 2908099), (548, 2334970), (685, 1867976), (1096, 1167485), (1370, 933988), (1507, 849080), (2740, 466994), (3014, 424540), (5480, 233497), (6028, 212270), (7535, 169816), (12056, 106135), (15070, 84908), (21227, 60280), (30140, 42454)]