78918930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{51581}}^1$

素因数の和:51611

約数の個数: 48

約数和(自身を含む): 217263384

約数和(自身を除く): 138344454

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 51581, 103162, 154743, 257905, 309486, 464229, 515810, 773715, 876877, 928458, 1547430, 1753754, 2321145, 2630631, 4384385, 4642290, 5261262, 7891893, 8768770, 13153155, 15783786, 26306310, 39459465, 78918930]

約数ペア:

[(1, 78918930), (2, 39459465), (3, 26306310), (5, 15783786), (6, 13153155), (9, 8768770), (10, 7891893), (15, 5261262), (17, 4642290), (18, 4384385), (30, 2630631), (34, 2321145), (45, 1753754), (51, 1547430), (85, 928458), (90, 876877), (102, 773715), (153, 515810), (170, 464229), (255, 309486), (306, 257905), (510, 154743), (765, 103162), (1530, 51581)]