680366916

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 1754346048

約数和(自身を除く): 1073979132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 491, 549, 631, 732, 982, 1098, 1262, 1473, 1893, 1964, 2196, 2524, 2946, 3786, 4419, 5679, 5892, 7572, 8838, 11358, 17676, 22716, 29951, 38491, 59902, 76982, 89853, 115473, 119804, 153964, 179706, 230946, 269559, 309821, 346419, 359412, 461892, 539118, 619642, 692838, 929463, 1078236, 1239284, 1385676, 1858926, 2788389, 3717852, 5576778, 11153556, 18899081, 37798162, 56697243, 75596324, 113394486, 170091729, 226788972, 340183458, 680366916]

約数ペア:

[(1, 680366916), (2, 340183458), (3, 226788972), (4, 170091729), (6, 113394486), (9, 75596324), (12, 56697243), (18, 37798162), (36, 18899081), (61, 11153556), (122, 5576778), (183, 3717852), (244, 2788389), (366, 1858926), (491, 1385676), (549, 1239284), (631, 1078236), (732, 929463), (982, 692838), (1098, 619642), (1262, 539118), (1473, 461892), (1893, 359412), (1964, 346419), (2196, 309821), (2524, 269559), (2946, 230946), (3786, 179706), (4419, 153964), (5679, 119804), (5892, 115473), (7572, 89853), (8838, 76982), (11358, 59902), (17676, 38491), (22716, 29951)]