81875340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 270520320

約数和(自身を除く): 188644980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 67, 73, 90, 93, 108, 124, 134, 135, 146, 155, 180, 186, 201, 219, 268, 270, 279, 292, 310, 335, 365, 372, 402, 438, 465, 540, 558, 603, 620, 657, 670, 730, 804, 837, 876, 930, 1005, 1095, 1116, 1206, 1314, 1340, 1395, 1460, 1674, 1809, 1860, 1971, 2010, 2077, 2190, 2263, 2412, 2628, 2790, 3015, 3285, 3348, 3618, 3942, 4020, 4154, 4185, 4380, 4526, 4891, 5580, 6030, 6231, 6570, 6789, 7236, 7884, 8308, 8370, 9045, 9052, 9782, 9855, 10385, 11315, 12060, 12462, 13140, 13578, 14673, 16740, 18090, 18693, 19564, 19710, 20367, 20770, 22630, 24455, 24924, 27156, 29346, 31155, 33945, 36180, 37386, 39420, 40734, 41540, 44019, 45260, 48910, 56079, 58692, 61101, 62310, 67890, 73365, 74772, 81468, 88038, 93465, 97820, 101835, 112158, 122202, 124620, 132057, 135780, 146730, 151621, 176076, 186930, 203670, 220095, 224316, 244404, 264114, 280395, 293460, 303242, 305505, 373860, 407340, 440190, 454863, 528228, 560790, 606484, 611010, 660285, 758105, 880380, 909726, 1121580, 1222020, 1320570, 1364589, 1516210, 1819452, 2274315, 2641140, 2729178, 3032420, 4093767, 4548630, 5458356, 6822945, 8187534, 9097260, 13645890, 16375068, 20468835, 27291780, 40937670, 81875340]

約数ペア:

[(1, 81875340), (2, 40937670), (3, 27291780), (4, 20468835), (5, 16375068), (6, 13645890), (9, 9097260), (10, 8187534), (12, 6822945), (15, 5458356), (18, 4548630), (20, 4093767), (27, 3032420), (30, 2729178), (31, 2641140), (36, 2274315), (45, 1819452), (54, 1516210), (60, 1364589), (62, 1320570), (67, 1222020), (73, 1121580), (90, 909726), (93, 880380), (108, 758105), (124, 660285), (134, 611010), (135, 606484), (146, 560790), (155, 528228), (180, 454863), (186, 440190), (201, 407340), (219, 373860), (268, 305505), (270, 303242), (279, 293460), (292, 280395), (310, 264114), (335, 244404), (365, 224316), (372, 220095), (402, 203670), (438, 186930), (465, 176076), (540, 151621), (558, 146730), (603, 135780), (620, 132057), (657, 124620), (670, 122202), (730, 112158), (804, 101835), (837, 97820), (876, 93465), (930, 88038), (1005, 81468), (1095, 74772), (1116, 73365), (1206, 67890), (1314, 62310), (1340, 61101), (1395, 58692), (1460, 56079), (1674, 48910), (1809, 45260), (1860, 44019), (1971, 41540), (2010, 40734), (2077, 39420), (2190, 37386), (2263, 36180), (2412, 33945), (2628, 31155), (2790, 29346), (3015, 27156), (3285, 24924), (3348, 24455), (3618, 22630), (3942, 20770), (4020, 20367), (4154, 19710), (4185, 19564), (4380, 18693), (4526, 18090), (4891, 16740), (5580, 14673), (6030, 13578), (6231, 13140), (6570, 12462), (6789, 12060), (7236, 11315), (7884, 10385), (8308, 9855), (8370, 9782), (9045, 9052)]