251308680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7297}}^1$

素因数の和:7359

約数の個数: 128

約数和(自身を含む): 882766080

約数和(自身を除く): 631457400

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, 2296, 2460, 2870, 3444, 4305, 4920, 5740, 6888, 7297, 8610, 11480, 14594, 17220, 21891, 29188, 34440, 36485, 43782, 51079, 58376, 72970, 87564, 102158, 109455, 145940, 153237, 175128, 204316, 218910, 255395, 291880, 299177, 306474, 408632, 437820, 510790, 598354, 612948, 766185, 875640, 897531, 1021580, 1196708, 1225896, 1495885, 1532370, 1795062, 2043160, 2094239, 2393416, 2991770, 3064740, 3590124, 4188478, 4487655, 5983540, 6129480, 6282717, 7180248, 8376956, 8975310, 10471195, 11967080, 12565434, 16753912, 17950620, 20942390, 25130868, 31413585, 35901240, 41884780, 50261736, 62827170, 83769560, 125654340, 251308680]

約数ペア:

[(1, 251308680), (2, 125654340), (3, 83769560), (4, 62827170), (5, 50261736), (6, 41884780), (7, 35901240), (8, 31413585), (10, 25130868), (12, 20942390), (14, 17950620), (15, 16753912), (20, 12565434), (21, 11967080), (24, 10471195), (28, 8975310), (30, 8376956), (35, 7180248), (40, 6282717), (41, 6129480), (42, 5983540), (56, 4487655), (60, 4188478), (70, 3590124), (82, 3064740), (84, 2991770), (105, 2393416), (120, 2094239), (123, 2043160), (140, 1795062), (164, 1532370), (168, 1495885), (205, 1225896), (210, 1196708), (246, 1021580), (280, 897531), (287, 875640), (328, 766185), (410, 612948), (420, 598354), (492, 510790), (574, 437820), (615, 408632), (820, 306474), (840, 299177), (861, 291880), (984, 255395), (1148, 218910), (1230, 204316), (1435, 175128), (1640, 153237), (1722, 145940), (2296, 109455), (2460, 102158), (2870, 87564), (3444, 72970), (4305, 58376), (4920, 51079), (5740, 43782), (6888, 36485), (7297, 34440), (8610, 29188), (11480, 21891), (14594, 17220)]