78171660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8863}}^1$

素因数の和:8892

約数の個数: 108

約数和(自身を含む): 275865408

約数和(自身を除く): 197693748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 8863, 17726, 26589, 35452, 44315, 53178, 62041, 79767, 88630, 106356, 124082, 132945, 159534, 177260, 186123, 248164, 265890, 310205, 319068, 372246, 398835, 434287, 531780, 558369, 620410, 744492, 797670, 868574, 930615, 1116738, 1240820, 1302861, 1595340, 1737148, 1861230, 2171435, 2233476, 2605722, 2791845, 3722460, 3908583, 4342870, 5211444, 5583690, 6514305, 7817166, 8685740, 11167380, 13028610, 15634332, 19542915, 26057220, 39085830, 78171660]

約数ペア:

[(1, 78171660), (2, 39085830), (3, 26057220), (4, 19542915), (5, 15634332), (6, 13028610), (7, 11167380), (9, 8685740), (10, 7817166), (12, 6514305), (14, 5583690), (15, 5211444), (18, 4342870), (20, 3908583), (21, 3722460), (28, 2791845), (30, 2605722), (35, 2233476), (36, 2171435), (42, 1861230), (45, 1737148), (49, 1595340), (60, 1302861), (63, 1240820), (70, 1116738), (84, 930615), (90, 868574), (98, 797670), (105, 744492), (126, 620410), (140, 558369), (147, 531780), (180, 434287), (196, 398835), (210, 372246), (245, 319068), (252, 310205), (294, 265890), (315, 248164), (420, 186123), (441, 177260), (490, 159534), (588, 132945), (630, 124082), (735, 106356), (882, 88630), (980, 79767), (1260, 62041), (1470, 53178), (1764, 44315), (2205, 35452), (2940, 26589), (4410, 17726), (8820, 8863)]