31621860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1938

約数の個数: 96

約数和(自身を含む): 101606400

約数和(自身を除く): 69984540

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, 1889, 2790, 3348, 3778, 4185, 5580, 5667, 7556, 8370, 9445, 11334, 16740, 17001, 18890, 22668, 28335, 34002, 37780, 51003, 56670, 58559, 68004, 85005, 102006, 113340, 117118, 170010, 175677, 204012, 234236, 255015, 292795, 340020, 351354, 510030, 527031, 585590, 702708, 878385, 1020060, 1054062, 1171180, 1581093, 1756770, 2108124, 2635155, 3162186, 3513540, 5270310, 6324372, 7905465, 10540620, 15810930, 31621860]

約数ペア:

[(1, 31621860), (2, 15810930), (3, 10540620), (4, 7905465), (5, 6324372), (6, 5270310), (9, 3513540), (10, 3162186), (12, 2635155), (15, 2108124), (18, 1756770), (20, 1581093), (27, 1171180), (30, 1054062), (31, 1020060), (36, 878385), (45, 702708), (54, 585590), (60, 527031), (62, 510030), (90, 351354), (93, 340020), (108, 292795), (124, 255015), (135, 234236), (155, 204012), (180, 175677), (186, 170010), (270, 117118), (279, 113340), (310, 102006), (372, 85005), (465, 68004), (540, 58559), (558, 56670), (620, 51003), (837, 37780), (930, 34002), (1116, 28335), (1395, 22668), (1674, 18890), (1860, 17001), (1889, 16740), (2790, 11334), (3348, 9445), (3778, 8370), (4185, 7556), (5580, 5667)]