81841860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4889}}^1$

素因数の和:4938

約数の個数: 96

約数和(自身を含む): 262886400

約数和(自身を除く): 181044540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 4889, 5580, 8370, 9778, 14667, 16740, 19556, 24445, 29334, 44001, 48890, 58668, 73335, 88002, 97780, 132003, 146670, 151559, 176004, 220005, 264006, 293340, 303118, 440010, 454677, 528012, 606236, 660015, 757795, 880020, 909354, 1320030, 1364031, 1515590, 1818708, 2273385, 2640060, 2728062, 3031180, 4092093, 4546770, 5456124, 6820155, 8184186, 9093540, 13640310, 16368372, 20460465, 27280620, 40920930, 81841860]

約数ペア:

[(1, 81841860), (2, 40920930), (3, 27280620), (4, 20460465), (5, 16368372), (6, 13640310), (9, 9093540), (10, 8184186), (12, 6820155), (15, 5456124), (18, 4546770), (20, 4092093), (27, 3031180), (30, 2728062), (31, 2640060), (36, 2273385), (45, 1818708), (54, 1515590), (60, 1364031), (62, 1320030), (90, 909354), (93, 880020), (108, 757795), (124, 660015), (135, 606236), (155, 528012), (180, 454677), (186, 440010), (270, 303118), (279, 293340), (310, 264006), (372, 220005), (465, 176004), (540, 151559), (558, 146670), (620, 132003), (837, 97780), (930, 88002), (1116, 73335), (1395, 58668), (1674, 48890), (1860, 44001), (2790, 29334), (3348, 24445), (4185, 19556), (4889, 16740), (5580, 14667), (8370, 9778)]