68983620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67631}}^1$

素因数の和:67660

約数の個数: 48

約数和(自身を含む): 204519168

約数和(自身を除く): 135535548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 67631, 135262, 202893, 270524, 338155, 405786, 676310, 811572, 1014465, 1149727, 1352620, 2028930, 2299454, 3449181, 4057860, 4598908, 5748635, 6898362, 11497270, 13796724, 17245905, 22994540, 34491810, 68983620]

約数ペア:

[(1, 68983620), (2, 34491810), (3, 22994540), (4, 17245905), (5, 13796724), (6, 11497270), (10, 6898362), (12, 5748635), (15, 4598908), (17, 4057860), (20, 3449181), (30, 2299454), (34, 2028930), (51, 1352620), (60, 1149727), (68, 1014465), (85, 811572), (102, 676310), (170, 405786), (204, 338155), (255, 270524), (340, 202893), (510, 135262), (1020, 67631)]