255989264

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 120

約数和(自身を含む): 575588160

約数和(自身を除く): 319598896

約数列:

[1, 2, 4, 8, 16, 17, 23, 29, 34, 46, 58, 68, 83, 92, 116, 136, 166, 184, 232, 272, 289, 332, 368, 391, 464, 493, 578, 664, 667, 782, 986, 1156, 1328, 1334, 1411, 1564, 1909, 1972, 2312, 2407, 2668, 2822, 3128, 3818, 3944, 4624, 4814, 5336, 5644, 6256, 6647, 7636, 7888, 8381, 9628, 10672, 11288, 11339, 13294, 15272, 16762, 19256, 22576, 22678, 23987, 26588, 30544, 32453, 33524, 38512, 40919, 45356, 47974, 53176, 55361, 64906, 67048, 81838, 90712, 95948, 106352, 110722, 129812, 134096, 163676, 181424, 191896, 192763, 221444, 259624, 327352, 383792, 385526, 442888, 519248, 551701, 654704, 695623, 771052, 885776, 941137, 1103402, 1391246, 1542104, 1882274, 2206804, 2782492, 3084208, 3764548, 4413608, 5564984, 7529096, 8827216, 11129968, 15058192, 15999329, 31998658, 63997316, 127994632, 255989264]

約数ペア:

[(1, 255989264), (2, 127994632), (4, 63997316), (8, 31998658), (16, 15999329), (17, 15058192), (23, 11129968), (29, 8827216), (34, 7529096), (46, 5564984), (58, 4413608), (68, 3764548), (83, 3084208), (92, 2782492), (116, 2206804), (136, 1882274), (166, 1542104), (184, 1391246), (232, 1103402), (272, 941137), (289, 885776), (332, 771052), (368, 695623), (391, 654704), (464, 551701), (493, 519248), (578, 442888), (664, 385526), (667, 383792), (782, 327352), (986, 259624), (1156, 221444), (1328, 192763), (1334, 191896), (1411, 181424), (1564, 163676), (1909, 134096), (1972, 129812), (2312, 110722), (2407, 106352), (2668, 95948), (2822, 90712), (3128, 81838), (3818, 67048), (3944, 64906), (4624, 55361), (4814, 53176), (5336, 47974), (5644, 45356), (6256, 40919), (6647, 38512), (7636, 33524), (7888, 32453), (8381, 30544), (9628, 26588), (10672, 23987), (11288, 22678), (11339, 22576), (13294, 19256), (15272, 16762)]