7817880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 27578880

約数和(自身を除く): 19761000

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, 227, 246, 280, 287, 328, 410, 420, 454, 492, 574, 615, 681, 820, 840, 861, 908, 984, 1135, 1148, 1230, 1362, 1435, 1589, 1640, 1722, 1816, 2270, 2296, 2460, 2724, 2870, 3178, 3405, 3444, 4305, 4540, 4767, 4920, 5448, 5740, 6356, 6810, 6888, 7945, 8610, 9080, 9307, 9534, 11480, 12712, 13620, 15890, 17220, 18614, 19068, 23835, 27240, 27921, 31780, 34440, 37228, 38136, 46535, 47670, 55842, 63560, 65149, 74456, 93070, 95340, 111684, 130298, 139605, 186140, 190680, 195447, 223368, 260596, 279210, 325745, 372280, 390894, 521192, 558420, 651490, 781788, 977235, 1116840, 1302980, 1563576, 1954470, 2605960, 3908940, 7817880]

約数ペア:

[(1, 7817880), (2, 3908940), (3, 2605960), (4, 1954470), (5, 1563576), (6, 1302980), (7, 1116840), (8, 977235), (10, 781788), (12, 651490), (14, 558420), (15, 521192), (20, 390894), (21, 372280), (24, 325745), (28, 279210), (30, 260596), (35, 223368), (40, 195447), (41, 190680), (42, 186140), (56, 139605), (60, 130298), (70, 111684), (82, 95340), (84, 93070), (105, 74456), (120, 65149), (123, 63560), (140, 55842), (164, 47670), (168, 46535), (205, 38136), (210, 37228), (227, 34440), (246, 31780), (280, 27921), (287, 27240), (328, 23835), (410, 19068), (420, 18614), (454, 17220), (492, 15890), (574, 13620), (615, 12712), (681, 11480), (820, 9534), (840, 9307), (861, 9080), (908, 8610), (984, 7945), (1135, 6888), (1148, 6810), (1230, 6356), (1362, 5740), (1435, 5448), (1589, 4920), (1640, 4767), (1722, 4540), (1816, 4305), (2270, 3444), (2296, 3405), (2460, 3178), (2724, 2870)]