644680512

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:490

約数の個数: 224

約数和(自身を含む): 2184806400

約数和(自身を除く): 1540125888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 84, 96, 108, 112, 126, 144, 168, 189, 192, 216, 223, 224, 239, 252, 288, 336, 378, 432, 446, 448, 478, 504, 576, 669, 672, 717, 756, 864, 892, 956, 1008, 1338, 1344, 1434, 1512, 1561, 1673, 1728, 1784, 1912, 2007, 2016, 2151, 2676, 2868, 3024, 3122, 3346, 3568, 3824, 4014, 4032, 4302, 4683, 5019, 5352, 5736, 6021, 6048, 6244, 6453, 6692, 7136, 7648, 8028, 8604, 9366, 10038, 10704, 11472, 12042, 12096, 12488, 12906, 13384, 14049, 14272, 15057, 15296, 16056, 17208, 18732, 20076, 21408, 22944, 24084, 24976, 25812, 26768, 28098, 30114, 32112, 34416, 37464, 40152, 42147, 42816, 45171, 45888, 48168, 49952, 51624, 53297, 53536, 56196, 60228, 64224, 68832, 74928, 80304, 84294, 90342, 96336, 99904, 103248, 106594, 107072, 112392, 120456, 128448, 137664, 149856, 159891, 160608, 168588, 180684, 192672, 206496, 213188, 224784, 240912, 299712, 319782, 321216, 337176, 361368, 373079, 385344, 412992, 426376, 449568, 479673, 481824, 639564, 674352, 722736, 746158, 852752, 899136, 959346, 963648, 1119237, 1279128, 1348704, 1439019, 1445472, 1492316, 1705504, 1918692, 2238474, 2558256, 2697408, 2878038, 2890944, 2984632, 3357711, 3411008, 3837384, 4476948, 5116512, 5756076, 5969264, 6715422, 7674768, 8953896, 10073133, 10233024, 11512152, 11938528, 13430844, 15349536, 17907792, 20146266, 23024304, 23877056, 26861688, 30699072, 35815584, 40292532, 46048608, 53723376, 71631168, 80585064, 92097216, 107446752, 161170128, 214893504, 322340256, 644680512]

約数ペア:

[(1, 644680512), (2, 322340256), (3, 214893504), (4, 161170128), (6, 107446752), (7, 92097216), (8, 80585064), (9, 71631168), (12, 53723376), (14, 46048608), (16, 40292532), (18, 35815584), (21, 30699072), (24, 26861688), (27, 23877056), (28, 23024304), (32, 20146266), (36, 17907792), (42, 15349536), (48, 13430844), (54, 11938528), (56, 11512152), (63, 10233024), (64, 10073133), (72, 8953896), (84, 7674768), (96, 6715422), (108, 5969264), (112, 5756076), (126, 5116512), (144, 4476948), (168, 3837384), (189, 3411008), (192, 3357711), (216, 2984632), (223, 2890944), (224, 2878038), (239, 2697408), (252, 2558256), (288, 2238474), (336, 1918692), (378, 1705504), (432, 1492316), (446, 1445472), (448, 1439019), (478, 1348704), (504, 1279128), (576, 1119237), (669, 963648), (672, 959346), (717, 899136), (756, 852752), (864, 746158), (892, 722736), (956, 674352), (1008, 639564), (1338, 481824), (1344, 479673), (1434, 449568), (1512, 426376), (1561, 412992), (1673, 385344), (1728, 373079), (1784, 361368), (1912, 337176), (2007, 321216), (2016, 319782), (2151, 299712), (2676, 240912), (2868, 224784), (3024, 213188), (3122, 206496), (3346, 192672), (3568, 180684), (3824, 168588), (4014, 160608), (4032, 159891), (4302, 149856), (4683, 137664), (5019, 128448), (5352, 120456), (5736, 112392), (6021, 107072), (6048, 106594), (6244, 103248), (6453, 99904), (6692, 96336), (7136, 90342), (7648, 84294), (8028, 80304), (8604, 74928), (9366, 68832), (10038, 64224), (10704, 60228), (11472, 56196), (12042, 53536), (12096, 53297), (12488, 51624), (12906, 49952), (13384, 48168), (14049, 45888), (14272, 45171), (15057, 42816), (15296, 42147), (16056, 40152), (17208, 37464), (18732, 34416), (20076, 32112), (21408, 30114), (22944, 28098), (24084, 26768), (24976, 25812)]