81885000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 263165760

約数和(自身を除く): 181280760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 103, 106, 120, 125, 150, 159, 200, 206, 212, 250, 265, 300, 309, 318, 375, 412, 424, 500, 515, 530, 600, 618, 625, 636, 750, 795, 824, 1000, 1030, 1060, 1236, 1250, 1272, 1325, 1500, 1545, 1590, 1875, 2060, 2120, 2472, 2500, 2575, 2650, 3000, 3090, 3180, 3750, 3975, 4120, 5000, 5150, 5300, 5459, 6180, 6360, 6625, 7500, 7725, 7950, 10300, 10600, 10918, 12360, 12875, 13250, 15000, 15450, 15900, 16377, 19875, 20600, 21836, 25750, 26500, 27295, 30900, 31800, 32754, 33125, 38625, 39750, 43672, 51500, 53000, 54590, 61800, 64375, 65508, 66250, 77250, 79500, 81885, 99375, 103000, 109180, 128750, 131016, 132500, 136475, 154500, 159000, 163770, 193125, 198750, 218360, 257500, 265000, 272950, 309000, 327540, 386250, 397500, 409425, 515000, 545900, 655080, 682375, 772500, 795000, 818850, 1091800, 1364750, 1545000, 1637700, 2047125, 2729500, 3275400, 3411875, 4094250, 5459000, 6823750, 8188500, 10235625, 13647500, 16377000, 20471250, 27295000, 40942500, 81885000]

約数ペア:

[(1, 81885000), (2, 40942500), (3, 27295000), (4, 20471250), (5, 16377000), (6, 13647500), (8, 10235625), (10, 8188500), (12, 6823750), (15, 5459000), (20, 4094250), (24, 3411875), (25, 3275400), (30, 2729500), (40, 2047125), (50, 1637700), (53, 1545000), (60, 1364750), (75, 1091800), (100, 818850), (103, 795000), (106, 772500), (120, 682375), (125, 655080), (150, 545900), (159, 515000), (200, 409425), (206, 397500), (212, 386250), (250, 327540), (265, 309000), (300, 272950), (309, 265000), (318, 257500), (375, 218360), (412, 198750), (424, 193125), (500, 163770), (515, 159000), (530, 154500), (600, 136475), (618, 132500), (625, 131016), (636, 128750), (750, 109180), (795, 103000), (824, 99375), (1000, 81885), (1030, 79500), (1060, 77250), (1236, 66250), (1250, 65508), (1272, 64375), (1325, 61800), (1500, 54590), (1545, 53000), (1590, 51500), (1875, 43672), (2060, 39750), (2120, 38625), (2472, 33125), (2500, 32754), (2575, 31800), (2650, 30900), (3000, 27295), (3090, 26500), (3180, 25750), (3750, 21836), (3975, 20600), (4120, 19875), (5000, 16377), (5150, 15900), (5300, 15450), (5459, 15000), (6180, 13250), (6360, 12875), (6625, 12360), (7500, 10918), (7725, 10600), (7950, 10300)]