21684876800

素因数分解:

$2^9\times 5^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:429

約数の個数: 240

約数和(自身を含む): 55238464512

約数和(自身を除く): 33553587712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 107, 128, 142, 160, 200, 214, 223, 256, 284, 320, 355, 400, 428, 446, 512, 535, 568, 640, 710, 800, 856, 892, 1070, 1115, 1136, 1280, 1420, 1600, 1712, 1775, 1784, 2140, 2230, 2272, 2560, 2675, 2840, 3200, 3424, 3550, 3568, 4280, 4460, 4544, 5350, 5575, 5680, 6400, 6848, 7100, 7136, 7597, 8560, 8920, 9088, 10700, 11150, 11360, 12800, 13696, 14200, 14272, 15194, 15833, 17120, 17840, 18176, 21400, 22300, 22720, 23861, 27392, 28400, 28544, 30388, 31666, 34240, 35680, 36352, 37985, 42800, 44600, 45440, 47722, 54784, 56800, 57088, 60776, 63332, 68480, 71360, 75970, 79165, 85600, 89200, 90880, 95444, 113600, 114176, 119305, 121552, 126664, 136960, 142720, 151940, 158330, 171200, 178400, 181760, 189925, 190888, 227200, 238610, 243104, 253328, 273920, 285440, 303880, 316660, 342400, 356800, 379850, 381776, 395825, 454400, 477220, 486208, 506656, 570880, 596525, 607760, 633320, 684800, 713600, 759700, 763552, 791650, 908800, 954440, 972416, 1013312, 1193050, 1215520, 1266640, 1369600, 1427200, 1519400, 1527104, 1583300, 1694131, 1908880, 1944832, 2026624, 2386100, 2431040, 2533280, 2854400, 3038800, 3054208, 3166600, 3388262, 3817760, 3889664, 4053248, 4772200, 4862080, 5066560, 6077600, 6108416, 6333200, 6776524, 7635520, 8106496, 8470655, 9544400, 9724160, 10133120, 12155200, 12216832, 12666400, 13553048, 15271040, 16941310, 19088800, 19448320, 20266240, 24310400, 25332800, 27106096, 30542080, 33882620, 38177600, 40532480, 42353275, 48620800, 50665600, 54212192, 61084160, 67765240, 76355200, 84706550, 97241600, 101331200, 108424384, 135530480, 152710400, 169413100, 202662400, 216848768, 271060960, 305420800, 338826200, 433697536, 542121920, 677652400, 867395072, 1084243840, 1355304800, 2168487680, 2710609600, 4336975360, 5421219200, 10842438400, 21684876800]

約数ペア:

[(1, 21684876800), (2, 10842438400), (4, 5421219200), (5, 4336975360), (8, 2710609600), (10, 2168487680), (16, 1355304800), (20, 1084243840), (25, 867395072), (32, 677652400), (40, 542121920), (50, 433697536), (64, 338826200), (71, 305420800), (80, 271060960), (100, 216848768), (107, 202662400), (128, 169413100), (142, 152710400), (160, 135530480), (200, 108424384), (214, 101331200), (223, 97241600), (256, 84706550), (284, 76355200), (320, 67765240), (355, 61084160), (400, 54212192), (428, 50665600), (446, 48620800), (512, 42353275), (535, 40532480), (568, 38177600), (640, 33882620), (710, 30542080), (800, 27106096), (856, 25332800), (892, 24310400), (1070, 20266240), (1115, 19448320), (1136, 19088800), (1280, 16941310), (1420, 15271040), (1600, 13553048), (1712, 12666400), (1775, 12216832), (1784, 12155200), (2140, 10133120), (2230, 9724160), (2272, 9544400), (2560, 8470655), (2675, 8106496), (2840, 7635520), (3200, 6776524), (3424, 6333200), (3550, 6108416), (3568, 6077600), (4280, 5066560), (4460, 4862080), (4544, 4772200), (5350, 4053248), (5575, 3889664), (5680, 3817760), (6400, 3388262), (6848, 3166600), (7100, 3054208), (7136, 3038800), (7597, 2854400), (8560, 2533280), (8920, 2431040), (9088, 2386100), (10700, 2026624), (11150, 1944832), (11360, 1908880), (12800, 1694131), (13696, 1583300), (14200, 1527104), (14272, 1519400), (15194, 1427200), (15833, 1369600), (17120, 1266640), (17840, 1215520), (18176, 1193050), (21400, 1013312), (22300, 972416), (22720, 954440), (23861, 908800), (27392, 791650), (28400, 763552), (28544, 759700), (30388, 713600), (31666, 684800), (34240, 633320), (35680, 607760), (36352, 596525), (37985, 570880), (42800, 506656), (44600, 486208), (45440, 477220), (47722, 454400), (54784, 395825), (56800, 381776), (57088, 379850), (60776, 356800), (63332, 342400), (68480, 316660), (71360, 303880), (75970, 285440), (79165, 273920), (85600, 253328), (89200, 243104), (90880, 238610), (95444, 227200), (113600, 190888), (114176, 189925), (119305, 181760), (121552, 178400), (126664, 171200), (136960, 158330), (142720, 151940)]