7421820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 24385536

約数和(自身を除く): 16963716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 82, 84, 105, 123, 140, 164, 205, 210, 246, 287, 410, 420, 431, 492, 574, 615, 820, 861, 862, 1148, 1230, 1293, 1435, 1722, 1724, 2155, 2460, 2586, 2870, 3017, 3444, 4305, 4310, 5172, 5740, 6034, 6465, 8610, 8620, 9051, 12068, 12930, 15085, 17220, 17671, 18102, 25860, 30170, 35342, 36204, 45255, 53013, 60340, 70684, 88355, 90510, 106026, 123697, 176710, 181020, 212052, 247394, 265065, 353420, 371091, 494788, 530130, 618485, 742182, 1060260, 1236970, 1484364, 1855455, 2473940, 3710910, 7421820]

約数ペア:

[(1, 7421820), (2, 3710910), (3, 2473940), (4, 1855455), (5, 1484364), (6, 1236970), (7, 1060260), (10, 742182), (12, 618485), (14, 530130), (15, 494788), (20, 371091), (21, 353420), (28, 265065), (30, 247394), (35, 212052), (41, 181020), (42, 176710), (60, 123697), (70, 106026), (82, 90510), (84, 88355), (105, 70684), (123, 60340), (140, 53013), (164, 45255), (205, 36204), (210, 35342), (246, 30170), (287, 25860), (410, 18102), (420, 17671), (431, 17220), (492, 15085), (574, 12930), (615, 12068), (820, 9051), (861, 8620), (862, 8610), (1148, 6465), (1230, 6034), (1293, 5740), (1435, 5172), (1722, 4310), (1724, 4305), (2155, 3444), (2460, 3017), (2586, 2870)]