81023448

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 241056000

約数和(自身を除く): 160032552

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 29, 33, 38, 44, 57, 58, 66, 76, 87, 88, 114, 116, 132, 152, 174, 209, 228, 232, 264, 319, 348, 418, 456, 551, 557, 627, 638, 696, 836, 957, 1102, 1114, 1254, 1276, 1653, 1671, 1672, 1914, 2204, 2228, 2508, 2552, 3306, 3342, 3828, 4408, 4456, 5016, 6061, 6127, 6612, 6684, 7656, 10583, 12122, 12254, 13224, 13368, 16153, 18183, 18381, 21166, 24244, 24508, 31749, 32306, 36366, 36762, 42332, 48459, 48488, 49016, 63498, 64612, 72732, 73524, 84664, 96918, 116413, 126996, 129224, 145464, 147048, 177683, 193836, 232826, 253992, 306907, 349239, 355366, 387672, 465652, 533049, 613814, 698478, 710732, 920721, 931304, 1066098, 1227628, 1396956, 1421464, 1841442, 2132196, 2455256, 2793912, 3375977, 3682884, 4264392, 6751954, 7365768, 10127931, 13503908, 20255862, 27007816, 40511724, 81023448]

約数ペア:

[(1, 81023448), (2, 40511724), (3, 27007816), (4, 20255862), (6, 13503908), (8, 10127931), (11, 7365768), (12, 6751954), (19, 4264392), (22, 3682884), (24, 3375977), (29, 2793912), (33, 2455256), (38, 2132196), (44, 1841442), (57, 1421464), (58, 1396956), (66, 1227628), (76, 1066098), (87, 931304), (88, 920721), (114, 710732), (116, 698478), (132, 613814), (152, 533049), (174, 465652), (209, 387672), (228, 355366), (232, 349239), (264, 306907), (319, 253992), (348, 232826), (418, 193836), (456, 177683), (551, 147048), (557, 145464), (627, 129224), (638, 126996), (696, 116413), (836, 96918), (957, 84664), (1102, 73524), (1114, 72732), (1254, 64612), (1276, 63498), (1653, 49016), (1671, 48488), (1672, 48459), (1914, 42332), (2204, 36762), (2228, 36366), (2508, 32306), (2552, 31749), (3306, 24508), (3342, 24244), (3828, 21166), (4408, 18381), (4456, 18183), (5016, 16153), (6061, 13368), (6127, 13224), (6612, 12254), (6684, 12122), (7656, 10583)]