78897960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4663}}^1$

素因数の和:4727

約数の個数: 96

約数和(自身を含む): 261930240

約数和(自身を除く): 183032280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1410, 1692, 1880, 2115, 2820, 3384, 4230, 4663, 5640, 8460, 9326, 13989, 16920, 18652, 23315, 27978, 37304, 41967, 46630, 55956, 69945, 83934, 93260, 111912, 139890, 167868, 186520, 209835, 219161, 279780, 335736, 419670, 438322, 559560, 657483, 839340, 876644, 1095805, 1314966, 1678680, 1753288, 1972449, 2191610, 2629932, 3287415, 3944898, 4383220, 5259864, 6574830, 7889796, 8766440, 9862245, 13149660, 15779592, 19724490, 26299320, 39448980, 78897960]

約数ペア:

[(1, 78897960), (2, 39448980), (3, 26299320), (4, 19724490), (5, 15779592), (6, 13149660), (8, 9862245), (9, 8766440), (10, 7889796), (12, 6574830), (15, 5259864), (18, 4383220), (20, 3944898), (24, 3287415), (30, 2629932), (36, 2191610), (40, 1972449), (45, 1753288), (47, 1678680), (60, 1314966), (72, 1095805), (90, 876644), (94, 839340), (120, 657483), (141, 559560), (180, 438322), (188, 419670), (235, 335736), (282, 279780), (360, 219161), (376, 209835), (423, 186520), (470, 167868), (564, 139890), (705, 111912), (846, 93260), (940, 83934), (1128, 69945), (1410, 55956), (1692, 46630), (1880, 41967), (2115, 37304), (2820, 27978), (3384, 23315), (4230, 18652), (4663, 16920), (5640, 13989), (8460, 9326)]