123951080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 327991680

約数和(自身を除く): 204040600

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 73, 85, 88, 110, 136, 146, 170, 187, 220, 227, 292, 340, 365, 374, 440, 454, 584, 680, 730, 748, 803, 908, 935, 1135, 1241, 1460, 1496, 1606, 1816, 1870, 2270, 2482, 2497, 2920, 3212, 3740, 3859, 4015, 4540, 4964, 4994, 6205, 6424, 7480, 7718, 8030, 9080, 9928, 9988, 12410, 12485, 13651, 15436, 16060, 16571, 19295, 19976, 24820, 24970, 27302, 30872, 32120, 33142, 38590, 42449, 49640, 49940, 54604, 66284, 68255, 77180, 82855, 84898, 99880, 109208, 132568, 136510, 154360, 165710, 169796, 182281, 212245, 273020, 281707, 331420, 339592, 364562, 424490, 546040, 563414, 662840, 729124, 848980, 911405, 1126828, 1408535, 1458248, 1697960, 1822810, 2253656, 2817070, 3098777, 3645620, 5634140, 6197554, 7291240, 11268280, 12395108, 15493885, 24790216, 30987770, 61975540, 123951080]

約数ペア:

[(1, 123951080), (2, 61975540), (4, 30987770), (5, 24790216), (8, 15493885), (10, 12395108), (11, 11268280), (17, 7291240), (20, 6197554), (22, 5634140), (34, 3645620), (40, 3098777), (44, 2817070), (55, 2253656), (68, 1822810), (73, 1697960), (85, 1458248), (88, 1408535), (110, 1126828), (136, 911405), (146, 848980), (170, 729124), (187, 662840), (220, 563414), (227, 546040), (292, 424490), (340, 364562), (365, 339592), (374, 331420), (440, 281707), (454, 273020), (584, 212245), (680, 182281), (730, 169796), (748, 165710), (803, 154360), (908, 136510), (935, 132568), (1135, 109208), (1241, 99880), (1460, 84898), (1496, 82855), (1606, 77180), (1816, 68255), (1870, 66284), (2270, 54604), (2482, 49940), (2497, 49640), (2920, 42449), (3212, 38590), (3740, 33142), (3859, 32120), (4015, 30872), (4540, 27302), (4964, 24970), (4994, 24820), (6205, 19976), (6424, 19295), (7480, 16571), (7718, 16060), (8030, 15436), (9080, 13651), (9928, 12485), (9988, 12410)]