31691430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 88957440

約数和(自身を除く): 57266010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 43, 45, 57, 86, 90, 95, 114, 129, 171, 190, 215, 258, 285, 342, 387, 430, 431, 570, 645, 774, 817, 855, 862, 1290, 1293, 1634, 1710, 1935, 2155, 2451, 2586, 3870, 3879, 4085, 4310, 4902, 6465, 7353, 7758, 8170, 8189, 12255, 12930, 14706, 16378, 18533, 19395, 24510, 24567, 36765, 37066, 38790, 40945, 49134, 55599, 73530, 73701, 81890, 92665, 111198, 122835, 147402, 166797, 185330, 245670, 277995, 333594, 352127, 368505, 555990, 704254, 737010, 833985, 1056381, 1667970, 1760635, 2112762, 3169143, 3521270, 5281905, 6338286, 10563810, 15845715, 31691430]

約数ペア:

[(1, 31691430), (2, 15845715), (3, 10563810), (5, 6338286), (6, 5281905), (9, 3521270), (10, 3169143), (15, 2112762), (18, 1760635), (19, 1667970), (30, 1056381), (38, 833985), (43, 737010), (45, 704254), (57, 555990), (86, 368505), (90, 352127), (95, 333594), (114, 277995), (129, 245670), (171, 185330), (190, 166797), (215, 147402), (258, 122835), (285, 111198), (342, 92665), (387, 81890), (430, 73701), (431, 73530), (570, 55599), (645, 49134), (774, 40945), (817, 38790), (855, 37066), (862, 36765), (1290, 24567), (1293, 24510), (1634, 19395), (1710, 18533), (1935, 16378), (2155, 14706), (2451, 12930), (2586, 12255), (3870, 8189), (3879, 8170), (4085, 7758), (4310, 7353), (4902, 6465)]