81215400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:404

約数の個数: 192

約数和(自身を含む): 293374080

約数和(自身を除く): 212158680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 61, 70, 75, 84, 100, 105, 120, 122, 140, 150, 168, 175, 183, 200, 210, 244, 280, 300, 305, 317, 350, 366, 420, 427, 488, 525, 600, 610, 634, 700, 732, 840, 854, 915, 951, 1050, 1220, 1268, 1281, 1400, 1464, 1525, 1585, 1708, 1830, 1902, 2100, 2135, 2219, 2440, 2536, 2562, 3050, 3170, 3416, 3660, 3804, 4200, 4270, 4438, 4575, 4755, 5124, 6100, 6340, 6405, 6657, 7320, 7608, 7925, 8540, 8876, 9150, 9510, 10248, 10675, 11095, 12200, 12680, 12810, 13314, 15850, 17080, 17752, 18300, 19020, 19337, 21350, 22190, 23775, 25620, 26628, 31700, 32025, 33285, 36600, 38040, 38674, 42700, 44380, 47550, 51240, 53256, 55475, 58011, 63400, 64050, 66570, 77348, 85400, 88760, 95100, 96685, 110950, 116022, 128100, 133140, 135359, 154696, 166425, 190200, 193370, 221900, 232044, 256200, 266280, 270718, 290055, 332850, 386740, 406077, 443800, 464088, 483425, 541436, 580110, 665700, 676795, 773480, 812154, 966850, 1082872, 1160220, 1331400, 1353590, 1450275, 1624308, 1933700, 2030385, 2320440, 2707180, 2900550, 3248616, 3383975, 3867400, 4060770, 5414360, 5801100, 6767950, 8121540, 10151925, 11602200, 13535900, 16243080, 20303850, 27071800, 40607700, 81215400]

約数ペア:

[(1, 81215400), (2, 40607700), (3, 27071800), (4, 20303850), (5, 16243080), (6, 13535900), (7, 11602200), (8, 10151925), (10, 8121540), (12, 6767950), (14, 5801100), (15, 5414360), (20, 4060770), (21, 3867400), (24, 3383975), (25, 3248616), (28, 2900550), (30, 2707180), (35, 2320440), (40, 2030385), (42, 1933700), (50, 1624308), (56, 1450275), (60, 1353590), (61, 1331400), (70, 1160220), (75, 1082872), (84, 966850), (100, 812154), (105, 773480), (120, 676795), (122, 665700), (140, 580110), (150, 541436), (168, 483425), (175, 464088), (183, 443800), (200, 406077), (210, 386740), (244, 332850), (280, 290055), (300, 270718), (305, 266280), (317, 256200), (350, 232044), (366, 221900), (420, 193370), (427, 190200), (488, 166425), (525, 154696), (600, 135359), (610, 133140), (634, 128100), (700, 116022), (732, 110950), (840, 96685), (854, 95100), (915, 88760), (951, 85400), (1050, 77348), (1220, 66570), (1268, 64050), (1281, 63400), (1400, 58011), (1464, 55475), (1525, 53256), (1585, 51240), (1708, 47550), (1830, 44380), (1902, 42700), (2100, 38674), (2135, 38040), (2219, 36600), (2440, 33285), (2536, 32025), (2562, 31700), (3050, 26628), (3170, 25620), (3416, 23775), (3660, 22190), (3804, 21350), (4200, 19337), (4270, 19020), (4438, 18300), (4575, 17752), (4755, 17080), (5124, 15850), (6100, 13314), (6340, 12810), (6405, 12680), (6657, 12200), (7320, 11095), (7608, 10675), (7925, 10248), (8540, 9510), (8876, 9150)]