640522992

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{10499}}^1$

素因数の和:10582

約数の個数: 80

約数和(自身を含む): 1749888000

約数和(自身を除く): 1109365008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 41, 48, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 496, 656, 744, 984, 1271, 1488, 1968, 2542, 3813, 5084, 7626, 10168, 10499, 15252, 20336, 20998, 30504, 31497, 41996, 61008, 62994, 83992, 125988, 167984, 251976, 325469, 430459, 503952, 650938, 860918, 976407, 1291377, 1301876, 1721836, 1952814, 2582754, 2603752, 3443672, 3905628, 5165508, 5207504, 6887344, 7811256, 10331016, 13344229, 15622512, 20662032, 26688458, 40032687, 53376916, 80065374, 106753832, 160130748, 213507664, 320261496, 640522992]

約数ペア:

[(1, 640522992), (2, 320261496), (3, 213507664), (4, 160130748), (6, 106753832), (8, 80065374), (12, 53376916), (16, 40032687), (24, 26688458), (31, 20662032), (41, 15622512), (48, 13344229), (62, 10331016), (82, 7811256), (93, 6887344), (123, 5207504), (124, 5165508), (164, 3905628), (186, 3443672), (246, 2603752), (248, 2582754), (328, 1952814), (372, 1721836), (492, 1301876), (496, 1291377), (656, 976407), (744, 860918), (984, 650938), (1271, 503952), (1488, 430459), (1968, 325469), (2542, 251976), (3813, 167984), (5084, 125988), (7626, 83992), (10168, 62994), (10499, 61008), (15252, 41996), (20336, 31497), (20998, 30504)]