261555104640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{6491}}^1$

素因数の和:7221

約数の個数: 256

約数和(自身を含む): 862004643840

約数和(自身を除く): 600449539200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 677, 744, 930, 960, 992, 1240, 1354, 1488, 1860, 1920, 1984, 2031, 2480, 2708, 2976, 3385, 3720, 3968, 4062, 4960, 5416, 5952, 6491, 6770, 7440, 8124, 9920, 10155, 10832, 11904, 12982, 13540, 14880, 16248, 19473, 19840, 20310, 20987, 21664, 25964, 27080, 29760, 32455, 32496, 38946, 40620, 41974, 43328, 51928, 54160, 59520, 62961, 64910, 64992, 77892, 81240, 83948, 86656, 97365, 103856, 104935, 108320, 125922, 129820, 129984, 155784, 162480, 167896, 194730, 201221, 207712, 209870, 216640, 251844, 259640, 259968, 311568, 314805, 324960, 335792, 389460, 402442, 415424, 419740, 433280, 503688, 519280, 603663, 623136, 629610, 649920, 671584, 778920, 804884, 830848, 839480, 1006105, 1007376, 1038560, 1207326, 1246272, 1259220, 1299840, 1343168, 1557840, 1609768, 1678960, 2012210, 2014752, 2077120, 2414652, 2492544, 2518440, 2686336, 3018315, 3115680, 3219536, 3357920, 4024420, 4029504, 4154240, 4394407, 4829304, 5036880, 6036630, 6231360, 6439072, 6715840, 8048840, 8059008, 8788814, 9658608, 10073760, 12073260, 12462720, 12878144, 13183221, 13431680, 16097680, 17577628, 19317216, 20147520, 21972035, 24146520, 25756288, 26366442, 32195360, 35155256, 38634432, 40295040, 43944070, 48293040, 52732884, 64390720, 65916105, 70310512, 77268864, 87888140, 96586080, 105465768, 128781440, 131832210, 136226617, 140621024, 175776280, 193172160, 210931536, 263664420, 272453234, 281242048, 351552560, 386344320, 408679851, 421863072, 527328840, 544906468, 562484096, 681133085, 703105120, 817359702, 843726144, 1054657680, 1089812936, 1362266170, 1406210240, 1634719404, 1687452288, 2043399255, 2109315360, 2179625872, 2724532340, 2812420480, 3269438808, 4086798510, 4218630720, 4359251744, 5449064680, 6538877616, 8173597020, 8437261440, 8718503488, 10898129360, 13077755232, 16347194040, 17437006976, 21796258720, 26155510464, 32694388080, 43592517440, 52311020928, 65388776160, 87185034880, 130777552320, 261555104640]

約数ペア:

[(1, 261555104640), (2, 130777552320), (3, 87185034880), (4, 65388776160), (5, 52311020928), (6, 43592517440), (8, 32694388080), (10, 26155510464), (12, 21796258720), (15, 17437006976), (16, 16347194040), (20, 13077755232), (24, 10898129360), (30, 8718503488), (31, 8437261440), (32, 8173597020), (40, 6538877616), (48, 5449064680), (60, 4359251744), (62, 4218630720), (64, 4086798510), (80, 3269438808), (93, 2812420480), (96, 2724532340), (120, 2179625872), (124, 2109315360), (128, 2043399255), (155, 1687452288), (160, 1634719404), (186, 1406210240), (192, 1362266170), (240, 1089812936), (248, 1054657680), (310, 843726144), (320, 817359702), (372, 703105120), (384, 681133085), (465, 562484096), (480, 544906468), (496, 527328840), (620, 421863072), (640, 408679851), (677, 386344320), (744, 351552560), (930, 281242048), (960, 272453234), (992, 263664420), (1240, 210931536), (1354, 193172160), (1488, 175776280), (1860, 140621024), (1920, 136226617), (1984, 131832210), (2031, 128781440), (2480, 105465768), (2708, 96586080), (2976, 87888140), (3385, 77268864), (3720, 70310512), (3968, 65916105), (4062, 64390720), (4960, 52732884), (5416, 48293040), (5952, 43944070), (6491, 40295040), (6770, 38634432), (7440, 35155256), (8124, 32195360), (9920, 26366442), (10155, 25756288), (10832, 24146520), (11904, 21972035), (12982, 20147520), (13540, 19317216), (14880, 17577628), (16248, 16097680), (19473, 13431680), (19840, 13183221), (20310, 12878144), (20987, 12462720), (21664, 12073260), (25964, 10073760), (27080, 9658608), (29760, 8788814), (32455, 8059008), (32496, 8048840), (38946, 6715840), (40620, 6439072), (41974, 6231360), (43328, 6036630), (51928, 5036880), (54160, 4829304), (59520, 4394407), (62961, 4154240), (64910, 4029504), (64992, 4024420), (77892, 3357920), (81240, 3219536), (83948, 3115680), (86656, 3018315), (97365, 2686336), (103856, 2518440), (104935, 2492544), (108320, 2414652), (125922, 2077120), (129820, 2014752), (129984, 2012210), (155784, 1678960), (162480, 1609768), (167896, 1557840), (194730, 1343168), (201221, 1299840), (207712, 1259220), (209870, 1246272), (216640, 1207326), (251844, 1038560), (259640, 1007376), (259968, 1006105), (311568, 839480), (314805, 830848), (324960, 804884), (335792, 778920), (389460, 671584), (402442, 649920), (415424, 629610), (419740, 623136), (433280, 603663), (503688, 519280)]