1328708640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{395449}}^1$

素因数の和:395474

約数の個数: 96

約数和(自身を含む): 4783363200

約数和(自身を除く): 3454654560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 395449, 790898, 1186347, 1581796, 1977245, 2372694, 2768143, 3163592, 3954490, 4745388, 5536286, 5931735, 6327184, 7908980, 8304429, 9490776, 11072572, 11863470, 12654368, 13840715, 15817960, 16608858, 18981552, 22145144, 23726940, 27681430, 31635920, 33217716, 37963104, 41522145, 44290288, 47453880, 55362860, 63271840, 66435432, 83044290, 88580576, 94907760, 110725720, 132870864, 166088580, 189815520, 221451440, 265741728, 332177160, 442902880, 664354320, 1328708640]

約数ペア:

[(1, 1328708640), (2, 664354320), (3, 442902880), (4, 332177160), (5, 265741728), (6, 221451440), (7, 189815520), (8, 166088580), (10, 132870864), (12, 110725720), (14, 94907760), (15, 88580576), (16, 83044290), (20, 66435432), (21, 63271840), (24, 55362860), (28, 47453880), (30, 44290288), (32, 41522145), (35, 37963104), (40, 33217716), (42, 31635920), (48, 27681430), (56, 23726940), (60, 22145144), (70, 18981552), (80, 16608858), (84, 15817960), (96, 13840715), (105, 12654368), (112, 11863470), (120, 11072572), (140, 9490776), (160, 8304429), (168, 7908980), (210, 6327184), (224, 5931735), (240, 5536286), (280, 4745388), (336, 3954490), (420, 3163592), (480, 2768143), (560, 2372694), (672, 1977245), (840, 1581796), (1120, 1186347), (1680, 790898), (3360, 395449)]