1638215568

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1877}}^1$

素因数の和:1950

約数の個数: 240

約数和(自身を含む): 5449204800

約数和(自身を除く): 3810989232

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 29, 33, 36, 38, 44, 48, 57, 58, 66, 72, 76, 87, 88, 99, 114, 116, 132, 144, 152, 171, 174, 176, 198, 209, 228, 232, 261, 264, 304, 319, 342, 348, 396, 418, 456, 464, 522, 528, 551, 627, 638, 684, 696, 792, 836, 912, 957, 1044, 1102, 1254, 1276, 1368, 1392, 1584, 1653, 1672, 1877, 1881, 1914, 2088, 2204, 2508, 2552, 2736, 2871, 3306, 3344, 3754, 3762, 3828, 4176, 4408, 4959, 5016, 5104, 5631, 5742, 6061, 6612, 7508, 7524, 7656, 8816, 9918, 10032, 11262, 11484, 12122, 13224, 15016, 15048, 15312, 16893, 18183, 19836, 20647, 22524, 22968, 24244, 26448, 30032, 30096, 33786, 35663, 36366, 39672, 41294, 45048, 45936, 48488, 54433, 54549, 61941, 67572, 71326, 72732, 79344, 82588, 90096, 96976, 106989, 108866, 109098, 123882, 135144, 142652, 145464, 163299, 165176, 185823, 213978, 217732, 218196, 247764, 270288, 285304, 290928, 320967, 326598, 330352, 371646, 392293, 427956, 435464, 436392, 489897, 495528, 570608, 598763, 641934, 653196, 743292, 784586, 855912, 870928, 872784, 979794, 991056, 1034227, 1176879, 1197526, 1283868, 1306392, 1486584, 1569172, 1711824, 1796289, 1959588, 2068454, 2353758, 2395052, 2567736, 2612784, 2973168, 3102681, 3138344, 3530637, 3592578, 3919176, 4136908, 4707516, 4790104, 5135472, 5388867, 6205362, 6276688, 7061274, 7185156, 7838352, 8273816, 9308043, 9415032, 9580208, 10777734, 11376497, 12410724, 14122548, 14370312, 16547632, 18616086, 18830064, 21555468, 22752994, 24821448, 28245096, 28740624, 34129491, 37232172, 43110936, 45505988, 49642896, 56490192, 68258982, 74464344, 86221872, 91011976, 102388473, 136517964, 148928688, 182023952, 204776946, 273035928, 409553892, 546071856, 819107784, 1638215568]

約数ペア:

[(1, 1638215568), (2, 819107784), (3, 546071856), (4, 409553892), (6, 273035928), (8, 204776946), (9, 182023952), (11, 148928688), (12, 136517964), (16, 102388473), (18, 91011976), (19, 86221872), (22, 74464344), (24, 68258982), (29, 56490192), (33, 49642896), (36, 45505988), (38, 43110936), (44, 37232172), (48, 34129491), (57, 28740624), (58, 28245096), (66, 24821448), (72, 22752994), (76, 21555468), (87, 18830064), (88, 18616086), (99, 16547632), (114, 14370312), (116, 14122548), (132, 12410724), (144, 11376497), (152, 10777734), (171, 9580208), (174, 9415032), (176, 9308043), (198, 8273816), (209, 7838352), (228, 7185156), (232, 7061274), (261, 6276688), (264, 6205362), (304, 5388867), (319, 5135472), (342, 4790104), (348, 4707516), (396, 4136908), (418, 3919176), (456, 3592578), (464, 3530637), (522, 3138344), (528, 3102681), (551, 2973168), (627, 2612784), (638, 2567736), (684, 2395052), (696, 2353758), (792, 2068454), (836, 1959588), (912, 1796289), (957, 1711824), (1044, 1569172), (1102, 1486584), (1254, 1306392), (1276, 1283868), (1368, 1197526), (1392, 1176879), (1584, 1034227), (1653, 991056), (1672, 979794), (1877, 872784), (1881, 870928), (1914, 855912), (2088, 784586), (2204, 743292), (2508, 653196), (2552, 641934), (2736, 598763), (2871, 570608), (3306, 495528), (3344, 489897), (3754, 436392), (3762, 435464), (3828, 427956), (4176, 392293), (4408, 371646), (4959, 330352), (5016, 326598), (5104, 320967), (5631, 290928), (5742, 285304), (6061, 270288), (6612, 247764), (7508, 218196), (7524, 217732), (7656, 213978), (8816, 185823), (9918, 165176), (10032, 163299), (11262, 145464), (11484, 142652), (12122, 135144), (13224, 123882), (15016, 109098), (15048, 108866), (15312, 106989), (16893, 96976), (18183, 90096), (19836, 82588), (20647, 79344), (22524, 72732), (22968, 71326), (24244, 67572), (26448, 61941), (30032, 54549), (30096, 54433), (33786, 48488), (35663, 45936), (36366, 45048), (39672, 41294)]