20978173440

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{130073}}^1$

素因数の和:130109

約数の個数: 240

約数和(自身を含む): 83032998048

約数和(自身を除く): 62054824608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 13440, 16128, 17920, 20160, 23040, 26880, 32256, 40320, 53760, 80640, 130073, 161280, 260146, 390219, 520292, 650365, 780438, 910511, 1040584, 1170657, 1300730, 1560876, 1821022, 1951095, 2081168, 2341314, 2601460, 2731533, 3121752, 3642044, 3902190, 4162336, 4552555, 4682628, 5202920, 5463066, 5853285, 6243504, 7284088, 7804380, 8194599, 8324672, 9105110, 9365256, 10405840, 10926132, 11706570, 12487008, 13657665, 14568176, 15608760, 16389198, 16649344, 18210220, 18730512, 20811680, 21852264, 23413140, 24974016, 27315330, 29136352, 31217520, 32778396, 33298688, 36420440, 37461024, 40972995, 41623360, 43704528, 46826280, 49948032, 54630660, 58272704, 62435040, 65556792, 66597376, 72840880, 74922048, 81945990, 83246720, 87409056, 93652560, 99896064, 109261320, 116545408, 124870080, 131113584, 145681760, 149844096, 163891980, 166493440, 174818112, 187305120, 199792128, 218522640, 233090816, 249740160, 262227168, 291363520, 299688192, 327783960, 332986880, 349636224, 374610240, 437045280, 466181632, 499480320, 524454336, 582727040, 599376384, 655567920, 699272448, 749220480, 874090560, 998960640, 1048908672, 1165454080, 1311135840, 1398544896, 1498440960, 1748181120, 2097817344, 2330908160, 2622271680, 2996881920, 3496362240, 4195634688, 5244543360, 6992724480, 10489086720, 20978173440]

約数ペア:

[(1, 20978173440), (2, 10489086720), (3, 6992724480), (4, 5244543360), (5, 4195634688), (6, 3496362240), (7, 2996881920), (8, 2622271680), (9, 2330908160), (10, 2097817344), (12, 1748181120), (14, 1498440960), (15, 1398544896), (16, 1311135840), (18, 1165454080), (20, 1048908672), (21, 998960640), (24, 874090560), (28, 749220480), (30, 699272448), (32, 655567920), (35, 599376384), (36, 582727040), (40, 524454336), (42, 499480320), (45, 466181632), (48, 437045280), (56, 374610240), (60, 349636224), (63, 332986880), (64, 327783960), (70, 299688192), (72, 291363520), (80, 262227168), (84, 249740160), (90, 233090816), (96, 218522640), (105, 199792128), (112, 187305120), (120, 174818112), (126, 166493440), (128, 163891980), (140, 149844096), (144, 145681760), (160, 131113584), (168, 124870080), (180, 116545408), (192, 109261320), (210, 99896064), (224, 93652560), (240, 87409056), (252, 83246720), (256, 81945990), (280, 74922048), (288, 72840880), (315, 66597376), (320, 65556792), (336, 62435040), (360, 58272704), (384, 54630660), (420, 49948032), (448, 46826280), (480, 43704528), (504, 41623360), (512, 40972995), (560, 37461024), (576, 36420440), (630, 33298688), (640, 32778396), (672, 31217520), (720, 29136352), (768, 27315330), (840, 24974016), (896, 23413140), (960, 21852264), (1008, 20811680), (1120, 18730512), (1152, 18210220), (1260, 16649344), (1280, 16389198), (1344, 15608760), (1440, 14568176), (1536, 13657665), (1680, 12487008), (1792, 11706570), (1920, 10926132), (2016, 10405840), (2240, 9365256), (2304, 9105110), (2520, 8324672), (2560, 8194599), (2688, 7804380), (2880, 7284088), (3360, 6243504), (3584, 5853285), (3840, 5463066), (4032, 5202920), (4480, 4682628), (4608, 4552555), (5040, 4162336), (5376, 3902190), (5760, 3642044), (6720, 3121752), (7680, 2731533), (8064, 2601460), (8960, 2341314), (10080, 2081168), (10752, 1951095), (11520, 1821022), (13440, 1560876), (16128, 1300730), (17920, 1170657), (20160, 1040584), (23040, 910511), (26880, 780438), (32256, 650365), (40320, 520292), (53760, 390219), (80640, 260146), (130073, 161280)]