72080775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1345

約数の個数: 72

約数和(自身を含む): 146466320

約数和(自身を除く): 74385545

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 171, 195, 225, 247, 285, 325, 475, 585, 741, 855, 975, 1235, 1297, 1425, 2223, 2925, 3705, 3891, 4275, 6175, 6485, 11115, 11673, 16861, 18525, 19455, 24643, 32425, 50583, 55575, 58365, 73929, 84305, 97275, 123215, 151749, 221787, 252915, 291825, 320359, 369645, 421525, 616075, 758745, 961077, 1108935, 1264575, 1601795, 1848225, 2883231, 3793725, 4805385, 5544675, 8008975, 14416155, 24026925, 72080775]

約数ペア:

[(1, 72080775), (3, 24026925), (5, 14416155), (9, 8008975), (13, 5544675), (15, 4805385), (19, 3793725), (25, 2883231), (39, 1848225), (45, 1601795), (57, 1264575), (65, 1108935), (75, 961077), (95, 758745), (117, 616075), (171, 421525), (195, 369645), (225, 320359), (247, 291825), (285, 252915), (325, 221787), (475, 151749), (585, 123215), (741, 97275), (855, 84305), (975, 73929), (1235, 58365), (1297, 55575), (1425, 50583), (2223, 32425), (2925, 24643), (3705, 19455), (3891, 18525), (4275, 16861), (6175, 11673), (6485, 11115)]