81873480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1751

約数の個数: 128

約数和(自身を含む): 273208320

約数和(自身を除く): 191334840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1693, 1860, 2015, 2418, 3224, 3386, 3720, 4030, 4836, 5079, 6045, 6772, 8060, 8465, 9672, 10158, 12090, 13544, 16120, 16930, 20316, 22009, 24180, 25395, 33860, 40632, 44018, 48360, 50790, 52483, 66027, 67720, 88036, 101580, 104966, 110045, 132054, 157449, 176072, 203160, 209932, 220090, 262415, 264108, 314898, 330135, 419864, 440180, 524830, 528216, 629796, 660270, 682279, 787245, 880360, 1049660, 1259592, 1320540, 1364558, 1574490, 2046837, 2099320, 2641080, 2729116, 3148980, 3411395, 4093674, 5458232, 6297960, 6822790, 8187348, 10234185, 13645580, 16374696, 20468370, 27291160, 40936740, 81873480]

約数ペア:

[(1, 81873480), (2, 40936740), (3, 27291160), (4, 20468370), (5, 16374696), (6, 13645580), (8, 10234185), (10, 8187348), (12, 6822790), (13, 6297960), (15, 5458232), (20, 4093674), (24, 3411395), (26, 3148980), (30, 2729116), (31, 2641080), (39, 2099320), (40, 2046837), (52, 1574490), (60, 1364558), (62, 1320540), (65, 1259592), (78, 1049660), (93, 880360), (104, 787245), (120, 682279), (124, 660270), (130, 629796), (155, 528216), (156, 524830), (186, 440180), (195, 419864), (248, 330135), (260, 314898), (310, 264108), (312, 262415), (372, 220090), (390, 209932), (403, 203160), (465, 176072), (520, 157449), (620, 132054), (744, 110045), (780, 104966), (806, 101580), (930, 88036), (1209, 67720), (1240, 66027), (1560, 52483), (1612, 50790), (1693, 48360), (1860, 44018), (2015, 40632), (2418, 33860), (3224, 25395), (3386, 24180), (3720, 22009), (4030, 20316), (4836, 16930), (5079, 16120), (6045, 13544), (6772, 12090), (8060, 10158), (8465, 9672)]