81029880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4789}}^1$

素因数の和:4853

約数の個数: 96

約数和(自身を含む): 269006400

約数和(自身を除く): 187976520

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, 4789, 5640, 8460, 9578, 14367, 16920, 19156, 23945, 28734, 38312, 43101, 47890, 57468, 71835, 86202, 95780, 114936, 143670, 172404, 191560, 215505, 225083, 287340, 344808, 431010, 450166, 574680, 675249, 862020, 900332, 1125415, 1350498, 1724040, 1800664, 2025747, 2250830, 2700996, 3376245, 4051494, 4501660, 5401992, 6752490, 8102988, 9003320, 10128735, 13504980, 16205976, 20257470, 27009960, 40514940, 81029880]

約数ペア:

[(1, 81029880), (2, 40514940), (3, 27009960), (4, 20257470), (5, 16205976), (6, 13504980), (8, 10128735), (9, 9003320), (10, 8102988), (12, 6752490), (15, 5401992), (18, 4501660), (20, 4051494), (24, 3376245), (30, 2700996), (36, 2250830), (40, 2025747), (45, 1800664), (47, 1724040), (60, 1350498), (72, 1125415), (90, 900332), (94, 862020), (120, 675249), (141, 574680), (180, 450166), (188, 431010), (235, 344808), (282, 287340), (360, 225083), (376, 215505), (423, 191560), (470, 172404), (564, 143670), (705, 114936), (846, 95780), (940, 86202), (1128, 71835), (1410, 57468), (1692, 47890), (1880, 43101), (2115, 38312), (2820, 28734), (3384, 23945), (4230, 19156), (4789, 16920), (5640, 14367), (8460, 9578)]