81915000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 263915520

約数和(自身を除く): 182000520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 86, 100, 120, 125, 127, 129, 150, 172, 200, 215, 250, 254, 258, 300, 344, 375, 381, 430, 500, 508, 516, 600, 625, 635, 645, 750, 762, 860, 1000, 1016, 1032, 1075, 1250, 1270, 1290, 1500, 1524, 1720, 1875, 1905, 2150, 2500, 2540, 2580, 3000, 3048, 3175, 3225, 3750, 3810, 4300, 5000, 5080, 5160, 5375, 5461, 6350, 6450, 7500, 7620, 8600, 9525, 10750, 10922, 12700, 12900, 15000, 15240, 15875, 16125, 16383, 19050, 21500, 21844, 25400, 25800, 26875, 27305, 31750, 32250, 32766, 38100, 43000, 43688, 47625, 53750, 54610, 63500, 64500, 65532, 76200, 79375, 80625, 81915, 95250, 107500, 109220, 127000, 129000, 131064, 136525, 158750, 161250, 163830, 190500, 215000, 218440, 238125, 273050, 317500, 322500, 327660, 381000, 409575, 476250, 546100, 635000, 645000, 655320, 682625, 819150, 952500, 1092200, 1365250, 1638300, 1905000, 2047875, 2730500, 3276600, 3413125, 4095750, 5461000, 6826250, 8191500, 10239375, 13652500, 16383000, 20478750, 27305000, 40957500, 81915000]

約数ペア:

[(1, 81915000), (2, 40957500), (3, 27305000), (4, 20478750), (5, 16383000), (6, 13652500), (8, 10239375), (10, 8191500), (12, 6826250), (15, 5461000), (20, 4095750), (24, 3413125), (25, 3276600), (30, 2730500), (40, 2047875), (43, 1905000), (50, 1638300), (60, 1365250), (75, 1092200), (86, 952500), (100, 819150), (120, 682625), (125, 655320), (127, 645000), (129, 635000), (150, 546100), (172, 476250), (200, 409575), (215, 381000), (250, 327660), (254, 322500), (258, 317500), (300, 273050), (344, 238125), (375, 218440), (381, 215000), (430, 190500), (500, 163830), (508, 161250), (516, 158750), (600, 136525), (625, 131064), (635, 129000), (645, 127000), (750, 109220), (762, 107500), (860, 95250), (1000, 81915), (1016, 80625), (1032, 79375), (1075, 76200), (1250, 65532), (1270, 64500), (1290, 63500), (1500, 54610), (1524, 53750), (1720, 47625), (1875, 43688), (1905, 43000), (2150, 38100), (2500, 32766), (2540, 32250), (2580, 31750), (3000, 27305), (3048, 26875), (3175, 25800), (3225, 25400), (3750, 21844), (3810, 21500), (4300, 19050), (5000, 16383), (5080, 16125), (5160, 15875), (5375, 15240), (5461, 15000), (6350, 12900), (6450, 12700), (7500, 10922), (7620, 10750), (8600, 9525)]