721351872

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:340

約数の個数: 224

約数和(自身を含む): 2262835200

約数和(自身を除く): 1541483328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 127, 144, 152, 171, 173, 192, 216, 228, 254, 288, 304, 342, 346, 381, 432, 456, 508, 513, 519, 576, 608, 684, 692, 762, 864, 912, 1016, 1026, 1038, 1143, 1216, 1368, 1384, 1524, 1557, 1728, 1824, 2032, 2052, 2076, 2286, 2413, 2736, 2768, 3048, 3114, 3287, 3429, 3648, 4064, 4104, 4152, 4572, 4671, 4826, 5472, 5536, 6096, 6228, 6574, 6858, 7239, 8128, 8208, 8304, 9144, 9342, 9652, 9861, 10944, 11072, 12192, 12456, 13148, 13716, 14478, 16416, 16608, 18288, 18684, 19304, 19722, 21717, 21971, 24384, 24912, 26296, 27432, 28956, 29583, 32832, 33216, 36576, 37368, 38608, 39444, 43434, 43942, 49824, 52592, 54864, 57912, 59166, 65151, 65913, 73152, 74736, 77216, 78888, 86868, 87884, 88749, 99648, 105184, 109728, 115824, 118332, 130302, 131826, 149472, 154432, 157776, 173736, 175768, 177498, 197739, 210368, 219456, 231648, 236664, 260604, 263652, 298944, 315552, 347472, 351536, 354996, 395478, 417449, 463296, 473328, 521208, 527304, 593217, 631104, 694944, 703072, 709992, 790956, 834898, 946656, 1042416, 1054608, 1186434, 1252347, 1389888, 1406144, 1419984, 1581912, 1669796, 1893312, 2084832, 2109216, 2372868, 2504694, 2839968, 3163824, 3339592, 3757041, 4169664, 4218432, 4745736, 5009388, 5679936, 6327648, 6679184, 7514082, 9491472, 10018776, 11271123, 12655296, 13358368, 15028164, 18982944, 20037552, 22542246, 26716736, 30056328, 37965888, 40075104, 45084492, 60112656, 80150208, 90168984, 120225312, 180337968, 240450624, 360675936, 721351872]

約数ペア:

[(1, 721351872), (2, 360675936), (3, 240450624), (4, 180337968), (6, 120225312), (8, 90168984), (9, 80150208), (12, 60112656), (16, 45084492), (18, 40075104), (19, 37965888), (24, 30056328), (27, 26716736), (32, 22542246), (36, 20037552), (38, 18982944), (48, 15028164), (54, 13358368), (57, 12655296), (64, 11271123), (72, 10018776), (76, 9491472), (96, 7514082), (108, 6679184), (114, 6327648), (127, 5679936), (144, 5009388), (152, 4745736), (171, 4218432), (173, 4169664), (192, 3757041), (216, 3339592), (228, 3163824), (254, 2839968), (288, 2504694), (304, 2372868), (342, 2109216), (346, 2084832), (381, 1893312), (432, 1669796), (456, 1581912), (508, 1419984), (513, 1406144), (519, 1389888), (576, 1252347), (608, 1186434), (684, 1054608), (692, 1042416), (762, 946656), (864, 834898), (912, 790956), (1016, 709992), (1026, 703072), (1038, 694944), (1143, 631104), (1216, 593217), (1368, 527304), (1384, 521208), (1524, 473328), (1557, 463296), (1728, 417449), (1824, 395478), (2032, 354996), (2052, 351536), (2076, 347472), (2286, 315552), (2413, 298944), (2736, 263652), (2768, 260604), (3048, 236664), (3114, 231648), (3287, 219456), (3429, 210368), (3648, 197739), (4064, 177498), (4104, 175768), (4152, 173736), (4572, 157776), (4671, 154432), (4826, 149472), (5472, 131826), (5536, 130302), (6096, 118332), (6228, 115824), (6574, 109728), (6858, 105184), (7239, 99648), (8128, 88749), (8208, 87884), (8304, 86868), (9144, 78888), (9342, 77216), (9652, 74736), (9861, 73152), (10944, 65913), (11072, 65151), (12192, 59166), (12456, 57912), (13148, 54864), (13716, 52592), (14478, 49824), (16416, 43942), (16608, 43434), (18288, 39444), (18684, 38608), (19304, 37368), (19722, 36576), (21717, 33216), (21971, 32832), (24384, 29583), (24912, 28956), (26296, 27432)]