78557640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2343

約数の個数: 128

約数和(自身を含む): 276030720

約数和(自身を除く): 197473080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2281, 2296, 2460, 2870, 3444, 4305, 4562, 4920, 5740, 6843, 6888, 8610, 9124, 11405, 11480, 13686, 15967, 17220, 18248, 22810, 27372, 31934, 34215, 34440, 45620, 47901, 54744, 63868, 68430, 79835, 91240, 93521, 95802, 127736, 136860, 159670, 187042, 191604, 239505, 273720, 280563, 319340, 374084, 383208, 467605, 479010, 561126, 638680, 654647, 748168, 935210, 958020, 1122252, 1309294, 1402815, 1870420, 1916040, 1963941, 2244504, 2618588, 2805630, 3273235, 3740840, 3927882, 5237176, 5611260, 6546470, 7855764, 9819705, 11222520, 13092940, 15711528, 19639410, 26185880, 39278820, 78557640]

約数ペア:

[(1, 78557640), (2, 39278820), (3, 26185880), (4, 19639410), (5, 15711528), (6, 13092940), (7, 11222520), (8, 9819705), (10, 7855764), (12, 6546470), (14, 5611260), (15, 5237176), (20, 3927882), (21, 3740840), (24, 3273235), (28, 2805630), (30, 2618588), (35, 2244504), (40, 1963941), (41, 1916040), (42, 1870420), (56, 1402815), (60, 1309294), (70, 1122252), (82, 958020), (84, 935210), (105, 748168), (120, 654647), (123, 638680), (140, 561126), (164, 479010), (168, 467605), (205, 383208), (210, 374084), (246, 319340), (280, 280563), (287, 273720), (328, 239505), (410, 191604), (420, 187042), (492, 159670), (574, 136860), (615, 127736), (820, 95802), (840, 93521), (861, 91240), (984, 79835), (1148, 68430), (1230, 63868), (1435, 54744), (1640, 47901), (1722, 45620), (2281, 34440), (2296, 34215), (2460, 31934), (2870, 27372), (3444, 22810), (4305, 18248), (4562, 17220), (4920, 15967), (5740, 13686), (6843, 11480), (6888, 11405), (8610, 9124)]