205124640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1489}}^1$

素因数の和:1555

約数の個数: 192

約数和(自身を含む): 756967680

約数和(自身を除く): 551843040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 205, 210, 224, 240, 246, 280, 287, 328, 336, 410, 420, 480, 492, 560, 574, 615, 656, 672, 820, 840, 861, 984, 1120, 1148, 1230, 1312, 1435, 1489, 1640, 1680, 1722, 1968, 2296, 2460, 2870, 2978, 3280, 3360, 3444, 3936, 4305, 4467, 4592, 4920, 5740, 5956, 6560, 6888, 7445, 8610, 8934, 9184, 9840, 10423, 11480, 11912, 13776, 14890, 17220, 17868, 19680, 20846, 22335, 22960, 23824, 27552, 29780, 31269, 34440, 35736, 41692, 44670, 45920, 47648, 52115, 59560, 61049, 62538, 68880, 71472, 83384, 89340, 104230, 119120, 122098, 125076, 137760, 142944, 156345, 166768, 178680, 183147, 208460, 238240, 244196, 250152, 305245, 312690, 333536, 357360, 366294, 416920, 427343, 488392, 500304, 610490, 625380, 714720, 732588, 833840, 854686, 915735, 976784, 1000608, 1220980, 1250760, 1282029, 1465176, 1667680, 1709372, 1831470, 1953568, 2136715, 2441960, 2501520, 2564058, 2930352, 3418744, 3662940, 4273430, 4883920, 5003040, 5128116, 5860704, 6410145, 6837488, 7325880, 8546860, 9767840, 10256232, 12820290, 13674976, 14651760, 17093720, 20512464, 25640580, 29303520, 34187440, 41024928, 51281160, 68374880, 102562320, 205124640]

約数ペア:

[(1, 205124640), (2, 102562320), (3, 68374880), (4, 51281160), (5, 41024928), (6, 34187440), (7, 29303520), (8, 25640580), (10, 20512464), (12, 17093720), (14, 14651760), (15, 13674976), (16, 12820290), (20, 10256232), (21, 9767840), (24, 8546860), (28, 7325880), (30, 6837488), (32, 6410145), (35, 5860704), (40, 5128116), (41, 5003040), (42, 4883920), (48, 4273430), (56, 3662940), (60, 3418744), (70, 2930352), (80, 2564058), (82, 2501520), (84, 2441960), (96, 2136715), (105, 1953568), (112, 1831470), (120, 1709372), (123, 1667680), (140, 1465176), (160, 1282029), (164, 1250760), (168, 1220980), (205, 1000608), (210, 976784), (224, 915735), (240, 854686), (246, 833840), (280, 732588), (287, 714720), (328, 625380), (336, 610490), (410, 500304), (420, 488392), (480, 427343), (492, 416920), (560, 366294), (574, 357360), (615, 333536), (656, 312690), (672, 305245), (820, 250152), (840, 244196), (861, 238240), (984, 208460), (1120, 183147), (1148, 178680), (1230, 166768), (1312, 156345), (1435, 142944), (1489, 137760), (1640, 125076), (1680, 122098), (1722, 119120), (1968, 104230), (2296, 89340), (2460, 83384), (2870, 71472), (2978, 68880), (3280, 62538), (3360, 61049), (3444, 59560), (3936, 52115), (4305, 47648), (4467, 45920), (4592, 44670), (4920, 41692), (5740, 35736), (5956, 34440), (6560, 31269), (6888, 29780), (7445, 27552), (8610, 23824), (8934, 22960), (9184, 22335), (9840, 20846), (10423, 19680), (11480, 17868), (11912, 17220), (13776, 14890)]