80890680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51853}}^1$

素因数の和:51880

約数の個数: 64

約数和(自身を含む): 261344160

約数和(自身を除く): 180453480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51853, 103706, 155559, 207412, 259265, 311118, 414824, 518530, 622236, 674089, 777795, 1037060, 1244472, 1348178, 1555590, 2022267, 2074120, 2696356, 3111180, 3370445, 4044534, 5392712, 6222360, 6740890, 8089068, 10111335, 13481780, 16178136, 20222670, 26963560, 40445340, 80890680]

約数ペア:

[(1, 80890680), (2, 40445340), (3, 26963560), (4, 20222670), (5, 16178136), (6, 13481780), (8, 10111335), (10, 8089068), (12, 6740890), (13, 6222360), (15, 5392712), (20, 4044534), (24, 3370445), (26, 3111180), (30, 2696356), (39, 2074120), (40, 2022267), (52, 1555590), (60, 1348178), (65, 1244472), (78, 1037060), (104, 777795), (120, 674089), (130, 622236), (156, 518530), (195, 414824), (260, 311118), (312, 259265), (390, 207412), (520, 155559), (780, 103706), (1560, 51853)]