256682520

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:599

約数の個数: 160

約数和(自身を含む): 869022000

約数和(自身を除く): 612339480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 227, 270, 324, 349, 360, 405, 454, 540, 648, 681, 698, 810, 908, 1047, 1080, 1135, 1362, 1396, 1620, 1745, 1816, 2043, 2094, 2270, 2724, 2792, 3141, 3240, 3405, 3490, 4086, 4188, 4540, 5235, 5448, 6129, 6282, 6810, 6980, 8172, 8376, 9080, 9423, 10215, 10470, 12258, 12564, 13620, 13960, 15705, 16344, 18387, 18846, 20430, 20940, 24516, 25128, 27240, 28269, 30645, 31410, 36774, 37692, 40860, 41880, 47115, 49032, 56538, 61290, 62820, 73548, 75384, 79223, 81720, 91935, 94230, 113076, 122580, 125640, 141345, 147096, 158446, 183870, 188460, 226152, 237669, 245160, 282690, 316892, 367740, 376920, 396115, 475338, 565380, 633784, 713007, 735480, 792230, 950676, 1130760, 1188345, 1426014, 1584460, 1901352, 2139021, 2376690, 2852028, 3168920, 3565035, 4278042, 4753380, 5704056, 6417063, 7130070, 8556084, 9506760, 10695105, 12834126, 14260140, 17112168, 21390210, 25668252, 28520280, 32085315, 42780420, 51336504, 64170630, 85560840, 128341260, 256682520]

約数ペア:

[(1, 256682520), (2, 128341260), (3, 85560840), (4, 64170630), (5, 51336504), (6, 42780420), (8, 32085315), (9, 28520280), (10, 25668252), (12, 21390210), (15, 17112168), (18, 14260140), (20, 12834126), (24, 10695105), (27, 9506760), (30, 8556084), (36, 7130070), (40, 6417063), (45, 5704056), (54, 4753380), (60, 4278042), (72, 3565035), (81, 3168920), (90, 2852028), (108, 2376690), (120, 2139021), (135, 1901352), (162, 1584460), (180, 1426014), (216, 1188345), (227, 1130760), (270, 950676), (324, 792230), (349, 735480), (360, 713007), (405, 633784), (454, 565380), (540, 475338), (648, 396115), (681, 376920), (698, 367740), (810, 316892), (908, 282690), (1047, 245160), (1080, 237669), (1135, 226152), (1362, 188460), (1396, 183870), (1620, 158446), (1745, 147096), (1816, 141345), (2043, 125640), (2094, 122580), (2270, 113076), (2724, 94230), (2792, 91935), (3141, 81720), (3240, 79223), (3405, 75384), (3490, 73548), (4086, 62820), (4188, 61290), (4540, 56538), (5235, 49032), (5448, 47115), (6129, 41880), (6282, 40860), (6810, 37692), (6980, 36774), (8172, 31410), (8376, 30645), (9080, 28269), (9423, 27240), (10215, 25128), (10470, 24516), (12258, 20940), (12564, 20430), (13620, 18846), (13960, 18387), (15705, 16344)]