20178698880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{593}}^1$

素因数の和:1131

約数の個数: 256

約数和(自身を含む): 66307507200

約数和(自身を除く): 46128808320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 479, 480, 555, 592, 593, 640, 740, 888, 958, 960, 1110, 1184, 1186, 1437, 1480, 1776, 1779, 1916, 1920, 2220, 2368, 2372, 2395, 2874, 2960, 2965, 3552, 3558, 3832, 4440, 4736, 4744, 4790, 5748, 5920, 5930, 7104, 7116, 7185, 7664, 8880, 8895, 9488, 9580, 11496, 11840, 11860, 14208, 14232, 14370, 15328, 17723, 17760, 17790, 18976, 19160, 21941, 22992, 23680, 23720, 28464, 28740, 30656, 35446, 35520, 35580, 37952, 38320, 43882, 45984, 47440, 53169, 56928, 57480, 61312, 65823, 70892, 71040, 71160, 75904, 76640, 87764, 88615, 91968, 94880, 106338, 109705, 113856, 114960, 131646, 141784, 142320, 153280, 175528, 177230, 183936, 189760, 212676, 219410, 227712, 229920, 263292, 265845, 283568, 284047, 284640, 306560, 329115, 351056, 354460, 379520, 425352, 438820, 459840, 526584, 531690, 567136, 568094, 569280, 658230, 702112, 708920, 850704, 852141, 877640, 919680, 1053168, 1063380, 1134272, 1136188, 1138560, 1316460, 1404224, 1417840, 1420235, 1701408, 1704282, 1755280, 2106336, 2126760, 2268544, 2272376, 2632920, 2808448, 2835680, 2840470, 3402816, 3408564, 3510560, 4212672, 4253520, 4260705, 4544752, 5265840, 5671360, 5680940, 6805632, 6817128, 7021120, 8425344, 8507040, 8521410, 9089504, 10509739, 10531680, 11342720, 11361880, 13634256, 14042240, 17014080, 17042820, 18179008, 21019478, 21063360, 22723760, 27268512, 31529217, 34028160, 34085640, 36358016, 42038956, 42126720, 45447520, 52548695, 54537024, 63058434, 68171280, 84077912, 90895040, 105097390, 109074048, 126116868, 136342560, 157646085, 168155824, 181790080, 210194780, 252233736, 272685120, 315292170, 336311648, 420389560, 504467472, 545370240, 630584340, 672623296, 840779120, 1008934944, 1261168680, 1345246592, 1681558240, 2017869888, 2522337360, 3363116480, 4035739776, 5044674720, 6726232960, 10089349440, 20178698880]

約数ペア:

[(1, 20178698880), (2, 10089349440), (3, 6726232960), (4, 5044674720), (5, 4035739776), (6, 3363116480), (8, 2522337360), (10, 2017869888), (12, 1681558240), (15, 1345246592), (16, 1261168680), (20, 1008934944), (24, 840779120), (30, 672623296), (32, 630584340), (37, 545370240), (40, 504467472), (48, 420389560), (60, 336311648), (64, 315292170), (74, 272685120), (80, 252233736), (96, 210194780), (111, 181790080), (120, 168155824), (128, 157646085), (148, 136342560), (160, 126116868), (185, 109074048), (192, 105097390), (222, 90895040), (240, 84077912), (296, 68171280), (320, 63058434), (370, 54537024), (384, 52548695), (444, 45447520), (479, 42126720), (480, 42038956), (555, 36358016), (592, 34085640), (593, 34028160), (640, 31529217), (740, 27268512), (888, 22723760), (958, 21063360), (960, 21019478), (1110, 18179008), (1184, 17042820), (1186, 17014080), (1437, 14042240), (1480, 13634256), (1776, 11361880), (1779, 11342720), (1916, 10531680), (1920, 10509739), (2220, 9089504), (2368, 8521410), (2372, 8507040), (2395, 8425344), (2874, 7021120), (2960, 6817128), (2965, 6805632), (3552, 5680940), (3558, 5671360), (3832, 5265840), (4440, 4544752), (4736, 4260705), (4744, 4253520), (4790, 4212672), (5748, 3510560), (5920, 3408564), (5930, 3402816), (7104, 2840470), (7116, 2835680), (7185, 2808448), (7664, 2632920), (8880, 2272376), (8895, 2268544), (9488, 2126760), (9580, 2106336), (11496, 1755280), (11840, 1704282), (11860, 1701408), (14208, 1420235), (14232, 1417840), (14370, 1404224), (15328, 1316460), (17723, 1138560), (17760, 1136188), (17790, 1134272), (18976, 1063380), (19160, 1053168), (21941, 919680), (22992, 877640), (23680, 852141), (23720, 850704), (28464, 708920), (28740, 702112), (30656, 658230), (35446, 569280), (35520, 568094), (35580, 567136), (37952, 531690), (38320, 526584), (43882, 459840), (45984, 438820), (47440, 425352), (53169, 379520), (56928, 354460), (57480, 351056), (61312, 329115), (65823, 306560), (70892, 284640), (71040, 284047), (71160, 283568), (75904, 265845), (76640, 263292), (87764, 229920), (88615, 227712), (91968, 219410), (94880, 212676), (106338, 189760), (109705, 183936), (113856, 177230), (114960, 175528), (131646, 153280), (141784, 142320)]