78202125

素因数分解:

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

素因数の和:117

約数の個数: 128

約数和(自身を含む): 161740800

約数和(自身を除く): 83538675

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 45, 47, 51, 75, 85, 87, 125, 135, 141, 145, 153, 225, 235, 255, 261, 375, 423, 425, 435, 459, 493, 675, 705, 725, 765, 783, 799, 1125, 1175, 1269, 1275, 1305, 1363, 1479, 2115, 2125, 2175, 2295, 2397, 2465, 3375, 3525, 3625, 3825, 3915, 3995, 4089, 4437, 5875, 6345, 6375, 6525, 6815, 7191, 7395, 10575, 10875, 11475, 11985, 12267, 12325, 13311, 17625, 19125, 19575, 19975, 20445, 21573, 22185, 23171, 31725, 32625, 34075, 35955, 36801, 36975, 52875, 57375, 59925, 61335, 61625, 66555, 69513, 97875, 99875, 102225, 107865, 110925, 115855, 158625, 170375, 179775, 184005, 184875, 208539, 299625, 306675, 332775, 347565, 511125, 539325, 554625, 579275, 625617, 898875, 920025, 1042695, 1533375, 1663875, 1737825, 2696625, 2896375, 3128085, 4600125, 5213475, 8689125, 15640425, 26067375, 78202125]

約数ペア:

[(1, 78202125), (3, 26067375), (5, 15640425), (9, 8689125), (15, 5213475), (17, 4600125), (25, 3128085), (27, 2896375), (29, 2696625), (45, 1737825), (47, 1663875), (51, 1533375), (75, 1042695), (85, 920025), (87, 898875), (125, 625617), (135, 579275), (141, 554625), (145, 539325), (153, 511125), (225, 347565), (235, 332775), (255, 306675), (261, 299625), (375, 208539), (423, 184875), (425, 184005), (435, 179775), (459, 170375), (493, 158625), (675, 115855), (705, 110925), (725, 107865), (765, 102225), (783, 99875), (799, 97875), (1125, 69513), (1175, 66555), (1269, 61625), (1275, 61335), (1305, 59925), (1363, 57375), (1479, 52875), (2115, 36975), (2125, 36801), (2175, 35955), (2295, 34075), (2397, 32625), (2465, 31725), (3375, 23171), (3525, 22185), (3625, 21573), (3825, 20445), (3915, 19975), (3995, 19575), (4089, 19125), (4437, 17625), (5875, 13311), (6345, 12325), (6375, 12267), (6525, 11985), (6815, 11475), (7191, 10875), (7395, 10575)]