42140025

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 83566080

約数和(自身を除く): 41426055

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 391, 425, 479, 575, 765, 1035, 1173, 1275, 1437, 1725, 1955, 2395, 3519, 3825, 4311, 5175, 5865, 7185, 8143, 9775, 11017, 11975, 17595, 21555, 24429, 29325, 33051, 35925, 40715, 55085, 73287, 87975, 99153, 107775, 122145, 165255, 187289, 203575, 275425, 366435, 495765, 561867, 610725, 826275, 936445, 1685601, 1832175, 2478825, 2809335, 4682225, 8428005, 14046675, 42140025]

約数ペア:

[(1, 42140025), (3, 14046675), (5, 8428005), (9, 4682225), (15, 2809335), (17, 2478825), (23, 1832175), (25, 1685601), (45, 936445), (51, 826275), (69, 610725), (75, 561867), (85, 495765), (115, 366435), (153, 275425), (207, 203575), (225, 187289), (255, 165255), (345, 122145), (391, 107775), (425, 99153), (479, 87975), (575, 73287), (765, 55085), (1035, 40715), (1173, 35925), (1275, 33051), (1437, 29325), (1725, 24429), (1955, 21555), (2395, 17595), (3519, 11975), (3825, 11017), (4311, 9775), (5175, 8143), (5865, 7185)]