81661500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:314

約数の個数: 192

約数和(自身を含む): 276756480

約数和(自身を除く): 195094980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 90, 92, 100, 108, 115, 125, 135, 138, 150, 180, 207, 225, 230, 250, 263, 270, 276, 300, 345, 375, 414, 450, 460, 500, 526, 540, 575, 621, 675, 690, 750, 789, 828, 900, 1035, 1052, 1125, 1150, 1242, 1315, 1350, 1380, 1500, 1578, 1725, 2070, 2250, 2300, 2367, 2484, 2630, 2700, 2875, 3105, 3156, 3375, 3450, 3945, 4140, 4500, 4734, 5175, 5260, 5750, 6049, 6210, 6575, 6750, 6900, 7101, 7890, 8625, 9468, 10350, 11500, 11835, 12098, 12420, 13150, 13500, 14202, 15525, 15780, 17250, 18147, 19725, 20700, 23670, 24196, 25875, 26300, 28404, 30245, 31050, 32875, 34500, 35505, 36294, 39450, 47340, 51750, 54441, 59175, 60490, 62100, 65750, 71010, 72588, 77625, 78900, 90735, 98625, 103500, 108882, 118350, 120980, 131500, 142020, 151225, 155250, 163323, 177525, 181470, 197250, 217764, 236700, 272205, 295875, 302450, 310500, 326646, 355050, 362940, 394500, 453675, 544410, 591750, 604900, 653292, 710100, 756125, 816615, 887625, 907350, 1088820, 1183500, 1361025, 1512250, 1633230, 1775250, 1814700, 2268375, 2722050, 3024500, 3266460, 3550500, 4083075, 4536750, 5444100, 6805125, 8166150, 9073500, 13610250, 16332300, 20415375, 27220500, 40830750, 81661500]

約数ペア:

[(1, 81661500), (2, 40830750), (3, 27220500), (4, 20415375), (5, 16332300), (6, 13610250), (9, 9073500), (10, 8166150), (12, 6805125), (15, 5444100), (18, 4536750), (20, 4083075), (23, 3550500), (25, 3266460), (27, 3024500), (30, 2722050), (36, 2268375), (45, 1814700), (46, 1775250), (50, 1633230), (54, 1512250), (60, 1361025), (69, 1183500), (75, 1088820), (90, 907350), (92, 887625), (100, 816615), (108, 756125), (115, 710100), (125, 653292), (135, 604900), (138, 591750), (150, 544410), (180, 453675), (207, 394500), (225, 362940), (230, 355050), (250, 326646), (263, 310500), (270, 302450), (276, 295875), (300, 272205), (345, 236700), (375, 217764), (414, 197250), (450, 181470), (460, 177525), (500, 163323), (526, 155250), (540, 151225), (575, 142020), (621, 131500), (675, 120980), (690, 118350), (750, 108882), (789, 103500), (828, 98625), (900, 90735), (1035, 78900), (1052, 77625), (1125, 72588), (1150, 71010), (1242, 65750), (1315, 62100), (1350, 60490), (1380, 59175), (1500, 54441), (1578, 51750), (1725, 47340), (2070, 39450), (2250, 36294), (2300, 35505), (2367, 34500), (2484, 32875), (2630, 31050), (2700, 30245), (2875, 28404), (3105, 26300), (3156, 25875), (3375, 24196), (3450, 23670), (3945, 20700), (4140, 19725), (4500, 18147), (4734, 17250), (5175, 15780), (5260, 15525), (5750, 14202), (6049, 13500), (6210, 13150), (6575, 12420), (6750, 12098), (6900, 11835), (7101, 11500), (7890, 10350), (8625, 9468)]