20921985280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2083}}^1$

素因数の和:2189

約数の個数: 288

約数和(自身を含む): 61339622400

約数和(自身を除く): 40417637120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 59, 64, 70, 76, 80, 95, 112, 118, 128, 133, 140, 152, 160, 190, 224, 236, 256, 266, 280, 295, 304, 320, 380, 413, 448, 472, 532, 560, 590, 608, 640, 665, 760, 826, 896, 944, 1064, 1120, 1121, 1180, 1216, 1280, 1330, 1520, 1652, 1792, 1888, 2065, 2083, 2128, 2240, 2242, 2360, 2432, 2660, 3040, 3304, 3776, 4130, 4166, 4256, 4480, 4484, 4720, 4864, 5320, 5605, 6080, 6608, 7552, 7847, 8260, 8332, 8512, 8960, 8968, 9440, 10415, 10640, 11210, 12160, 13216, 14581, 15104, 15694, 16520, 16664, 17024, 17936, 18880, 20830, 21280, 22420, 24320, 26432, 29162, 31388, 33040, 33328, 34048, 35872, 37760, 39235, 39577, 41660, 42560, 44840, 52864, 58324, 62776, 66080, 66656, 71744, 72905, 75520, 78470, 79154, 83320, 85120, 89680, 105728, 116648, 122897, 125552, 132160, 133312, 143488, 145810, 156940, 158308, 166640, 170240, 179360, 197885, 233296, 245794, 251104, 264320, 266624, 277039, 286976, 291620, 313880, 316616, 333280, 358720, 395770, 466592, 491588, 502208, 528640, 533248, 554078, 583240, 614485, 627760, 633232, 666560, 717440, 791540, 860279, 933184, 983176, 1004416, 1108156, 1166480, 1228970, 1255520, 1266464, 1333120, 1385195, 1434880, 1583080, 1720558, 1866368, 1966352, 2008832, 2216312, 2332960, 2335043, 2457940, 2511040, 2532928, 2666240, 2770390, 3166160, 3441116, 3732736, 3932704, 4301395, 4432624, 4665920, 4670086, 4915880, 5022080, 5065856, 5540780, 6332320, 6882232, 7865408, 8602790, 8865248, 9331840, 9340172, 9831760, 10044160, 10131712, 11081560, 11675215, 12664640, 13764464, 15730816, 16345301, 17205580, 17730496, 18663680, 18680344, 19663520, 22163120, 23350430, 25329280, 27528928, 31461632, 32690602, 34411160, 35460992, 37360688, 39327040, 44326240, 46700860, 50658560, 55057856, 65381204, 68822320, 70921984, 74721376, 78654080, 81726505, 88652480, 93401720, 110115712, 130762408, 137644640, 149442752, 157308160, 163453010, 177304960, 186803440, 220231424, 261524816, 275289280, 298885504, 326906020, 354609920, 373606880, 523049632, 550578560, 597771008, 653812040, 747213760, 1046099264, 1101157120, 1307624080, 1494427520, 2092198528, 2615248160, 2988855040, 4184397056, 5230496320, 10460992640, 20921985280]

約数ペア:

[(1, 20921985280), (2, 10460992640), (4, 5230496320), (5, 4184397056), (7, 2988855040), (8, 2615248160), (10, 2092198528), (14, 1494427520), (16, 1307624080), (19, 1101157120), (20, 1046099264), (28, 747213760), (32, 653812040), (35, 597771008), (38, 550578560), (40, 523049632), (56, 373606880), (59, 354609920), (64, 326906020), (70, 298885504), (76, 275289280), (80, 261524816), (95, 220231424), (112, 186803440), (118, 177304960), (128, 163453010), (133, 157308160), (140, 149442752), (152, 137644640), (160, 130762408), (190, 110115712), (224, 93401720), (236, 88652480), (256, 81726505), (266, 78654080), (280, 74721376), (295, 70921984), (304, 68822320), (320, 65381204), (380, 55057856), (413, 50658560), (448, 46700860), (472, 44326240), (532, 39327040), (560, 37360688), (590, 35460992), (608, 34411160), (640, 32690602), (665, 31461632), (760, 27528928), (826, 25329280), (896, 23350430), (944, 22163120), (1064, 19663520), (1120, 18680344), (1121, 18663680), (1180, 17730496), (1216, 17205580), (1280, 16345301), (1330, 15730816), (1520, 13764464), (1652, 12664640), (1792, 11675215), (1888, 11081560), (2065, 10131712), (2083, 10044160), (2128, 9831760), (2240, 9340172), (2242, 9331840), (2360, 8865248), (2432, 8602790), (2660, 7865408), (3040, 6882232), (3304, 6332320), (3776, 5540780), (4130, 5065856), (4166, 5022080), (4256, 4915880), (4480, 4670086), (4484, 4665920), (4720, 4432624), (4864, 4301395), (5320, 3932704), (5605, 3732736), (6080, 3441116), (6608, 3166160), (7552, 2770390), (7847, 2666240), (8260, 2532928), (8332, 2511040), (8512, 2457940), (8960, 2335043), (8968, 2332960), (9440, 2216312), (10415, 2008832), (10640, 1966352), (11210, 1866368), (12160, 1720558), (13216, 1583080), (14581, 1434880), (15104, 1385195), (15694, 1333120), (16520, 1266464), (16664, 1255520), (17024, 1228970), (17936, 1166480), (18880, 1108156), (20830, 1004416), (21280, 983176), (22420, 933184), (24320, 860279), (26432, 791540), (29162, 717440), (31388, 666560), (33040, 633232), (33328, 627760), (34048, 614485), (35872, 583240), (37760, 554078), (39235, 533248), (39577, 528640), (41660, 502208), (42560, 491588), (44840, 466592), (52864, 395770), (58324, 358720), (62776, 333280), (66080, 316616), (66656, 313880), (71744, 291620), (72905, 286976), (75520, 277039), (78470, 266624), (79154, 264320), (83320, 251104), (85120, 245794), (89680, 233296), (105728, 197885), (116648, 179360), (122897, 170240), (125552, 166640), (132160, 158308), (133312, 156940), (143488, 145810)]