81751800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 192

約数和(自身を含む): 279982080

約数和(自身を除く): 198230280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 47, 50, 52, 60, 65, 75, 78, 94, 100, 104, 120, 130, 141, 150, 156, 188, 195, 200, 223, 235, 260, 282, 300, 312, 325, 376, 390, 446, 470, 520, 564, 600, 611, 650, 669, 705, 780, 892, 940, 975, 1115, 1128, 1175, 1222, 1300, 1338, 1410, 1560, 1784, 1833, 1880, 1950, 2230, 2350, 2444, 2600, 2676, 2820, 2899, 3055, 3345, 3525, 3666, 3900, 4460, 4700, 4888, 5352, 5575, 5640, 5798, 6110, 6690, 7050, 7332, 7800, 8697, 8920, 9165, 9400, 10481, 11150, 11596, 12220, 13380, 14100, 14495, 14664, 15275, 16725, 17394, 18330, 20962, 22300, 23192, 24440, 26760, 28200, 28990, 30550, 31443, 33450, 34788, 36660, 41924, 43485, 44600, 45825, 52405, 57980, 61100, 62886, 66900, 69576, 72475, 73320, 83848, 86970, 91650, 104810, 115960, 122200, 125772, 133800, 136253, 144950, 157215, 173940, 183300, 209620, 217425, 251544, 262025, 272506, 289900, 314430, 347880, 366600, 408759, 419240, 434850, 524050, 545012, 579800, 628860, 681265, 786075, 817518, 869700, 1048100, 1090024, 1257720, 1362530, 1572150, 1635036, 1739400, 2043795, 2096200, 2725060, 3144300, 3270072, 3406325, 4087590, 5450120, 6288600, 6812650, 8175180, 10218975, 13625300, 16350360, 20437950, 27250600, 40875900, 81751800]

約数ペア:

[(1, 81751800), (2, 40875900), (3, 27250600), (4, 20437950), (5, 16350360), (6, 13625300), (8, 10218975), (10, 8175180), (12, 6812650), (13, 6288600), (15, 5450120), (20, 4087590), (24, 3406325), (25, 3270072), (26, 3144300), (30, 2725060), (39, 2096200), (40, 2043795), (47, 1739400), (50, 1635036), (52, 1572150), (60, 1362530), (65, 1257720), (75, 1090024), (78, 1048100), (94, 869700), (100, 817518), (104, 786075), (120, 681265), (130, 628860), (141, 579800), (150, 545012), (156, 524050), (188, 434850), (195, 419240), (200, 408759), (223, 366600), (235, 347880), (260, 314430), (282, 289900), (300, 272506), (312, 262025), (325, 251544), (376, 217425), (390, 209620), (446, 183300), (470, 173940), (520, 157215), (564, 144950), (600, 136253), (611, 133800), (650, 125772), (669, 122200), (705, 115960), (780, 104810), (892, 91650), (940, 86970), (975, 83848), (1115, 73320), (1128, 72475), (1175, 69576), (1222, 66900), (1300, 62886), (1338, 61100), (1410, 57980), (1560, 52405), (1784, 45825), (1833, 44600), (1880, 43485), (1950, 41924), (2230, 36660), (2350, 34788), (2444, 33450), (2600, 31443), (2676, 30550), (2820, 28990), (2899, 28200), (3055, 26760), (3345, 24440), (3525, 23192), (3666, 22300), (3900, 20962), (4460, 18330), (4700, 17394), (4888, 16725), (5352, 15275), (5575, 14664), (5640, 14495), (5798, 14100), (6110, 13380), (6690, 12220), (7050, 11596), (7332, 11150), (7800, 10481), (8697, 9400), (8920, 9165)]