81548520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4889}}^1$

素因数の和:5042

約数の個数: 64

約数和(自身を含む): 246456000

約数和(自身を除く): 164907480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1390, 1668, 2085, 2780, 3336, 4170, 4889, 5560, 8340, 9778, 14667, 16680, 19556, 24445, 29334, 39112, 48890, 58668, 73335, 97780, 117336, 146670, 195560, 293340, 586680, 679571, 1359142, 2038713, 2718284, 3397855, 4077426, 5436568, 6795710, 8154852, 10193565, 13591420, 16309704, 20387130, 27182840, 40774260, 81548520]

約数ペア:

[(1, 81548520), (2, 40774260), (3, 27182840), (4, 20387130), (5, 16309704), (6, 13591420), (8, 10193565), (10, 8154852), (12, 6795710), (15, 5436568), (20, 4077426), (24, 3397855), (30, 2718284), (40, 2038713), (60, 1359142), (120, 679571), (139, 586680), (278, 293340), (417, 195560), (556, 146670), (695, 117336), (834, 97780), (1112, 73335), (1390, 58668), (1668, 48890), (2085, 39112), (2780, 29334), (3336, 24445), (4170, 19556), (4889, 16680), (5560, 14667), (8340, 9778)]