31809000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 103783680

約数和(自身を除く): 71974680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 125, 138, 150, 184, 200, 230, 250, 276, 300, 345, 375, 460, 461, 500, 552, 575, 600, 690, 750, 920, 922, 1000, 1150, 1380, 1383, 1500, 1725, 1844, 2300, 2305, 2760, 2766, 2875, 3000, 3450, 3688, 4600, 4610, 5532, 5750, 6900, 6915, 8625, 9220, 10603, 11064, 11500, 11525, 13800, 13830, 17250, 18440, 21206, 23000, 23050, 27660, 31809, 34500, 34575, 42412, 46100, 53015, 55320, 57625, 63618, 69000, 69150, 84824, 92200, 106030, 115250, 127236, 138300, 159045, 172875, 212060, 230500, 254472, 265075, 276600, 318090, 345750, 424120, 461000, 530150, 636180, 691500, 795225, 1060300, 1272360, 1325375, 1383000, 1590450, 2120600, 2650750, 3180900, 3976125, 5301500, 6361800, 7952250, 10603000, 15904500, 31809000]

約数ペア:

[(1, 31809000), (2, 15904500), (3, 10603000), (4, 7952250), (5, 6361800), (6, 5301500), (8, 3976125), (10, 3180900), (12, 2650750), (15, 2120600), (20, 1590450), (23, 1383000), (24, 1325375), (25, 1272360), (30, 1060300), (40, 795225), (46, 691500), (50, 636180), (60, 530150), (69, 461000), (75, 424120), (92, 345750), (100, 318090), (115, 276600), (120, 265075), (125, 254472), (138, 230500), (150, 212060), (184, 172875), (200, 159045), (230, 138300), (250, 127236), (276, 115250), (300, 106030), (345, 92200), (375, 84824), (460, 69150), (461, 69000), (500, 63618), (552, 57625), (575, 55320), (600, 53015), (690, 46100), (750, 42412), (920, 34575), (922, 34500), (1000, 31809), (1150, 27660), (1380, 23050), (1383, 23000), (1500, 21206), (1725, 18440), (1844, 17250), (2300, 13830), (2305, 13800), (2760, 11525), (2766, 11500), (2875, 11064), (3000, 10603), (3450, 9220), (3688, 8625), (4600, 6915), (4610, 6900), (5532, 5750)]