640986528

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:579

約数の個数: 192

約数和(自身を含む): 2086318080

約数和(自身を除く): 1445331552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 182, 208, 224, 239, 273, 307, 312, 336, 364, 416, 478, 546, 614, 624, 672, 717, 728, 921, 956, 1092, 1228, 1248, 1434, 1456, 1673, 1842, 1912, 2149, 2184, 2456, 2868, 2912, 3107, 3346, 3684, 3824, 3991, 4298, 4368, 4912, 5019, 5736, 6214, 6447, 6692, 7368, 7648, 7982, 8596, 8736, 9321, 9824, 10038, 11472, 11973, 12428, 12894, 13384, 14736, 15964, 17192, 18642, 20076, 21749, 22944, 23946, 24856, 25788, 26768, 27937, 29472, 31928, 34384, 37284, 40152, 43498, 47892, 49712, 51576, 53536, 55874, 63856, 65247, 68768, 73373, 74568, 80304, 83811, 86996, 95784, 99424, 103152, 111748, 127712, 130494, 146746, 149136, 160608, 167622, 173992, 191568, 206304, 220119, 223496, 260988, 293492, 298272, 335244, 347984, 383136, 440238, 446992, 513611, 521976, 586984, 670488, 695968, 880476, 893984, 953849, 1027222, 1043952, 1173968, 1340976, 1540833, 1760952, 1907698, 2054444, 2087904, 2347936, 2681952, 2861547, 3081666, 3521904, 3815396, 4108888, 5723094, 6163332, 6676943, 7043808, 7630792, 8217776, 11446188, 12326664, 13353886, 15261584, 16435552, 20030829, 22892376, 24653328, 26707772, 30523168, 40061658, 45784752, 49306656, 53415544, 80123316, 91569504, 106831088, 160246632, 213662176, 320493264, 640986528]

約数ペア:

[(1, 640986528), (2, 320493264), (3, 213662176), (4, 160246632), (6, 106831088), (7, 91569504), (8, 80123316), (12, 53415544), (13, 49306656), (14, 45784752), (16, 40061658), (21, 30523168), (24, 26707772), (26, 24653328), (28, 22892376), (32, 20030829), (39, 16435552), (42, 15261584), (48, 13353886), (52, 12326664), (56, 11446188), (78, 8217776), (84, 7630792), (91, 7043808), (96, 6676943), (104, 6163332), (112, 5723094), (156, 4108888), (168, 3815396), (182, 3521904), (208, 3081666), (224, 2861547), (239, 2681952), (273, 2347936), (307, 2087904), (312, 2054444), (336, 1907698), (364, 1760952), (416, 1540833), (478, 1340976), (546, 1173968), (614, 1043952), (624, 1027222), (672, 953849), (717, 893984), (728, 880476), (921, 695968), (956, 670488), (1092, 586984), (1228, 521976), (1248, 513611), (1434, 446992), (1456, 440238), (1673, 383136), (1842, 347984), (1912, 335244), (2149, 298272), (2184, 293492), (2456, 260988), (2868, 223496), (2912, 220119), (3107, 206304), (3346, 191568), (3684, 173992), (3824, 167622), (3991, 160608), (4298, 149136), (4368, 146746), (4912, 130494), (5019, 127712), (5736, 111748), (6214, 103152), (6447, 99424), (6692, 95784), (7368, 86996), (7648, 83811), (7982, 80304), (8596, 74568), (8736, 73373), (9321, 68768), (9824, 65247), (10038, 63856), (11472, 55874), (11973, 53536), (12428, 51576), (12894, 49712), (13384, 47892), (14736, 43498), (15964, 40152), (17192, 37284), (18642, 34384), (20076, 31928), (21749, 29472), (22944, 27937), (23946, 26768), (24856, 25788)]