15640425

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 32140800

約数和(自身を除く): 16500375

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 45, 47, 51, 75, 85, 87, 135, 141, 145, 153, 225, 235, 255, 261, 423, 425, 435, 459, 493, 675, 705, 725, 765, 783, 799, 1175, 1269, 1275, 1305, 1363, 1479, 2115, 2175, 2295, 2397, 2465, 3525, 3825, 3915, 3995, 4089, 4437, 6345, 6525, 6815, 7191, 7395, 10575, 11475, 11985, 12267, 12325, 13311, 19575, 19975, 20445, 21573, 22185, 23171, 31725, 34075, 35955, 36801, 36975, 59925, 61335, 66555, 69513, 102225, 107865, 110925, 115855, 179775, 184005, 208539, 306675, 332775, 347565, 539325, 579275, 625617, 920025, 1042695, 1737825, 3128085, 5213475, 15640425]

約数ペア:

[(1, 15640425), (3, 5213475), (5, 3128085), (9, 1737825), (15, 1042695), (17, 920025), (25, 625617), (27, 579275), (29, 539325), (45, 347565), (47, 332775), (51, 306675), (75, 208539), (85, 184005), (87, 179775), (135, 115855), (141, 110925), (145, 107865), (153, 102225), (225, 69513), (235, 66555), (255, 61335), (261, 59925), (423, 36975), (425, 36801), (435, 35955), (459, 34075), (493, 31725), (675, 23171), (705, 22185), (725, 21573), (765, 20445), (783, 19975), (799, 19575), (1175, 13311), (1269, 12325), (1275, 12267), (1305, 11985), (1363, 11475), (1479, 10575), (2115, 7395), (2175, 7191), (2295, 6815), (2397, 6525), (2465, 6345), (3525, 4437), (3825, 4089), (3915, 3995)]