420175728

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 320

約数和(自身を含む): 1485619200

約数和(自身を除く): 1065443472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 54, 56, 57, 63, 71, 72, 76, 84, 103, 108, 112, 114, 126, 133, 142, 144, 152, 168, 171, 189, 206, 213, 216, 228, 252, 266, 284, 304, 309, 336, 342, 378, 399, 412, 426, 432, 456, 497, 504, 513, 532, 568, 618, 639, 684, 721, 756, 798, 824, 852, 912, 927, 994, 1008, 1026, 1064, 1136, 1197, 1236, 1278, 1349, 1368, 1442, 1491, 1512, 1596, 1648, 1704, 1854, 1917, 1957, 1988, 2052, 2128, 2163, 2394, 2472, 2556, 2698, 2736, 2781, 2884, 2982, 3024, 3192, 3408, 3591, 3708, 3834, 3914, 3976, 4047, 4104, 4326, 4473, 4788, 4944, 5112, 5396, 5562, 5768, 5871, 5964, 6384, 6489, 7182, 7313, 7416, 7668, 7828, 7952, 8094, 8208, 8652, 8946, 9443, 9576, 10224, 10792, 11124, 11536, 11742, 11928, 12141, 12978, 13419, 13699, 14364, 14626, 14832, 15336, 15656, 16188, 17304, 17613, 17892, 18886, 19152, 19467, 21584, 21939, 22248, 23484, 23856, 24282, 25956, 26838, 27398, 28329, 28728, 29252, 30672, 31312, 32376, 34608, 35226, 35784, 36423, 37772, 38934, 41097, 43878, 44496, 46968, 48564, 51191, 51912, 52839, 53676, 54796, 56658, 57456, 58504, 64752, 65817, 70452, 71568, 72846, 75544, 77868, 82194, 84987, 87756, 93936, 97128, 102382, 103824, 105678, 107352, 109592, 113316, 117008, 123291, 131634, 138947, 140904, 145692, 151088, 153573, 155736, 164388, 169974, 175512, 194256, 197451, 204764, 211356, 214704, 219184, 226632, 246582, 254961, 263268, 277894, 281808, 291384, 307146, 311472, 328776, 339948, 351024, 369873, 394902, 409528, 416841, 422712, 453264, 460719, 493164, 509922, 526536, 555788, 582768, 614292, 657552, 679896, 739746, 789804, 819056, 833682, 845424, 921438, 972629, 986328, 1019844, 1053072, 1111576, 1228584, 1250523, 1359792, 1382157, 1479492, 1579608, 1667364, 1842876, 1945258, 1972656, 2039688, 2223152, 2457168, 2501046, 2764314, 2917887, 2958984, 3159216, 3334728, 3685752, 3751569, 3890516, 4079376, 5002092, 5528628, 5835774, 5917968, 6669456, 7371504, 7503138, 7781032, 8753661, 10004184, 11057256, 11671548, 15006276, 15562064, 17507322, 20008368, 22114512, 23343096, 26260983, 30012552, 35014644, 46686192, 52521966, 60025104, 70029288, 105043932, 140058576, 210087864, 420175728]

約数ペア:

[(1, 420175728), (2, 210087864), (3, 140058576), (4, 105043932), (6, 70029288), (7, 60025104), (8, 52521966), (9, 46686192), (12, 35014644), (14, 30012552), (16, 26260983), (18, 23343096), (19, 22114512), (21, 20008368), (24, 17507322), (27, 15562064), (28, 15006276), (36, 11671548), (38, 11057256), (42, 10004184), (48, 8753661), (54, 7781032), (56, 7503138), (57, 7371504), (63, 6669456), (71, 5917968), (72, 5835774), (76, 5528628), (84, 5002092), (103, 4079376), (108, 3890516), (112, 3751569), (114, 3685752), (126, 3334728), (133, 3159216), (142, 2958984), (144, 2917887), (152, 2764314), (168, 2501046), (171, 2457168), (189, 2223152), (206, 2039688), (213, 1972656), (216, 1945258), (228, 1842876), (252, 1667364), (266, 1579608), (284, 1479492), (304, 1382157), (309, 1359792), (336, 1250523), (342, 1228584), (378, 1111576), (399, 1053072), (412, 1019844), (426, 986328), (432, 972629), (456, 921438), (497, 845424), (504, 833682), (513, 819056), (532, 789804), (568, 739746), (618, 679896), (639, 657552), (684, 614292), (721, 582768), (756, 555788), (798, 526536), (824, 509922), (852, 493164), (912, 460719), (927, 453264), (994, 422712), (1008, 416841), (1026, 409528), (1064, 394902), (1136, 369873), (1197, 351024), (1236, 339948), (1278, 328776), (1349, 311472), (1368, 307146), (1442, 291384), (1491, 281808), (1512, 277894), (1596, 263268), (1648, 254961), (1704, 246582), (1854, 226632), (1917, 219184), (1957, 214704), (1988, 211356), (2052, 204764), (2128, 197451), (2163, 194256), (2394, 175512), (2472, 169974), (2556, 164388), (2698, 155736), (2736, 153573), (2781, 151088), (2884, 145692), (2982, 140904), (3024, 138947), (3192, 131634), (3408, 123291), (3591, 117008), (3708, 113316), (3834, 109592), (3914, 107352), (3976, 105678), (4047, 103824), (4104, 102382), (4326, 97128), (4473, 93936), (4788, 87756), (4944, 84987), (5112, 82194), (5396, 77868), (5562, 75544), (5768, 72846), (5871, 71568), (5964, 70452), (6384, 65817), (6489, 64752), (7182, 58504), (7313, 57456), (7416, 56658), (7668, 54796), (7828, 53676), (7952, 52839), (8094, 51912), (8208, 51191), (8652, 48564), (8946, 46968), (9443, 44496), (9576, 43878), (10224, 41097), (10792, 38934), (11124, 37772), (11536, 36423), (11742, 35784), (11928, 35226), (12141, 34608), (12978, 32376), (13419, 31312), (13699, 30672), (14364, 29252), (14626, 28728), (14832, 28329), (15336, 27398), (15656, 26838), (16188, 25956), (17304, 24282), (17613, 23856), (17892, 23484), (18886, 22248), (19152, 21939), (19467, 21584)]