78396520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3778

約数の個数: 64

約数和(自身を含む): 192844800

約数和(自身を除く): 114448280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 3719, 4216, 5270, 7438, 10540, 14876, 18595, 21080, 29752, 37190, 63223, 74380, 115289, 126446, 148760, 230578, 252892, 316115, 461156, 505784, 576445, 632230, 922312, 1152890, 1264460, 1959913, 2305780, 2528920, 3919826, 4611560, 7839652, 9799565, 15679304, 19599130, 39198260, 78396520]

約数ペア:

[(1, 78396520), (2, 39198260), (4, 19599130), (5, 15679304), (8, 9799565), (10, 7839652), (17, 4611560), (20, 3919826), (31, 2528920), (34, 2305780), (40, 1959913), (62, 1264460), (68, 1152890), (85, 922312), (124, 632230), (136, 576445), (155, 505784), (170, 461156), (248, 316115), (310, 252892), (340, 230578), (527, 148760), (620, 126446), (680, 115289), (1054, 74380), (1240, 63223), (2108, 37190), (2635, 29752), (3719, 21080), (4216, 18595), (5270, 14876), (7438, 10540)]