71317620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 238492800

約数和(自身を除く): 167175180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 181, 198, 199, 220, 330, 362, 396, 398, 495, 543, 597, 660, 724, 796, 905, 990, 995, 1086, 1194, 1629, 1791, 1810, 1980, 1990, 1991, 2172, 2189, 2388, 2715, 2985, 3258, 3582, 3620, 3980, 3982, 4378, 5430, 5970, 5973, 6516, 6567, 7164, 7964, 8145, 8756, 8955, 9955, 10860, 10945, 11940, 11946, 13134, 16290, 17910, 17919, 19701, 19910, 21890, 23892, 26268, 29865, 32580, 32835, 35820, 35838, 36019, 39402, 39820, 43780, 59730, 65670, 71676, 72038, 78804, 89595, 98505, 108057, 119460, 131340, 144076, 179190, 180095, 197010, 216114, 324171, 358380, 360190, 394020, 396209, 432228, 540285, 648342, 720380, 792418, 1080570, 1188627, 1296684, 1584836, 1620855, 1981045, 2161140, 2377254, 3241710, 3565881, 3962090, 4754508, 5943135, 6483420, 7131762, 7924180, 11886270, 14263524, 17829405, 23772540, 35658810, 71317620]

約数ペア:

[(1, 71317620), (2, 35658810), (3, 23772540), (4, 17829405), (5, 14263524), (6, 11886270), (9, 7924180), (10, 7131762), (11, 6483420), (12, 5943135), (15, 4754508), (18, 3962090), (20, 3565881), (22, 3241710), (30, 2377254), (33, 2161140), (36, 1981045), (44, 1620855), (45, 1584836), (55, 1296684), (60, 1188627), (66, 1080570), (90, 792418), (99, 720380), (110, 648342), (132, 540285), (165, 432228), (180, 396209), (181, 394020), (198, 360190), (199, 358380), (220, 324171), (330, 216114), (362, 197010), (396, 180095), (398, 179190), (495, 144076), (543, 131340), (597, 119460), (660, 108057), (724, 98505), (796, 89595), (905, 78804), (990, 72038), (995, 71676), (1086, 65670), (1194, 59730), (1629, 43780), (1791, 39820), (1810, 39402), (1980, 36019), (1990, 35838), (1991, 35820), (2172, 32835), (2189, 32580), (2388, 29865), (2715, 26268), (2985, 23892), (3258, 21890), (3582, 19910), (3620, 19701), (3980, 17919), (3982, 17910), (4378, 16290), (5430, 13134), (5970, 11946), (5973, 11940), (6516, 10945), (6567, 10860), (7164, 9955), (7964, 8955), (8145, 8756)]