20780812800

素因数分解:

$2^9\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:122

約数の個数: 1080

約数和(自身を含む): 87546146688

約数和(自身を除く): 66765333888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 25, 30, 31, 32, 33, 36, 40, 44, 45, 46, 48, 50, 55, 60, 62, 64, 66, 69, 72, 75, 80, 88, 90, 92, 93, 96, 99, 100, 110, 115, 120, 124, 128, 132, 138, 144, 150, 155, 160, 165, 176, 180, 184, 186, 192, 198, 200, 207, 220, 225, 230, 240, 248, 253, 256, 264, 275, 276, 279, 288, 300, 310, 320, 330, 341, 345, 352, 360, 368, 372, 384, 396, 400, 414, 440, 450, 460, 465, 480, 495, 496, 506, 512, 528, 529, 550, 552, 558, 575, 576, 600, 620, 640, 660, 682, 690, 704, 713, 720, 736, 744, 759, 768, 775, 792, 800, 825, 828, 880, 900, 920, 930, 960, 990, 992, 1012, 1023, 1035, 1056, 1058, 1100, 1104, 1116, 1150, 1152, 1200, 1240, 1265, 1280, 1320, 1364, 1380, 1395, 1408, 1426, 1440, 1472, 1488, 1518, 1536, 1550, 1584, 1587, 1600, 1650, 1656, 1705, 1725, 1760, 1800, 1840, 1860, 1920, 1980, 1984, 2024, 2046, 2070, 2112, 2116, 2139, 2200, 2208, 2232, 2277, 2300, 2304, 2325, 2400, 2475, 2480, 2530, 2560, 2640, 2645, 2728, 2760, 2790, 2816, 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331200, 338560, 342240, 349140, 352935, 357120, 360778, 364320, 365056, 372416, 376464, 380880, 388608, 392150, 392832, 393576, 396800, 404800, 406272, 409200, 409975, 410688, 418968, 422400, 423200, 427800, 436425, 436480, 441600, 446400, 455400, 456320, 465520, 470580, 476100, 485760, 491040, 491970, 501952, 507840, 513360, 523710, 523776, 524768, 529920, 541167, 545600, 547584, 558624, 564696, 570400, 581900, 582912, 588225, 590364, 595200, 607200, 609408, 613800, 627440, 633600, 634800, 641700, 647680, 654720, 655960, 662400, 677120, 684480, 698280, 705870, 714240, 721556, 728640, 737955, 744832, 752928, 761760, 784300, 785664, 787152, 809600, 812544, 818400, 819950, 821376, 837936, 846400, 855600, 872850, 872960, 883200, 892800, 901945, 910800, 912640, 931040, 941160, 952200, 971520, 982080, 983940, 1003904, 1015680, 1026720, 1047420, 1049536, 1082334, 1091200, 1095168, 1117248, 1129392, 1140800, 1163800, 1165824, 1176450, 1180728, 1190400, 1214400, 1218816, 1227600, 1229925, 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4910400, 4919700, 5019520, 5078400, 5133600, 5237100, 5247680, 5411670, 5475840, 5586240, 5646960, 5772448, 5829120, 5903640, 6023424, 6094080, 6274400, 6297216, 6494004, 6547200, 6559600, 6703488, 6771200, 6844800, 6982800, 7058700, 7215560, 7286400, 7379550, 7448320, 7529280, 7617600, 7856640, 7871520, 8117505, 8213760, 8379360, 8396288, 8658672, 8937984, 9019450, 9035136, 9126400, 9310400, 9411600, 9445824, 9715200, 9820800, 9839400, 10039040, 10156800, 10267200, 10474200, 10495360, 10823340, 11172480, 11293920, 11544896, 11807280, 12046848, 12188160, 12548800, 12594432, 12988008, 13094400, 13119200, 13406976, 13529175, 13689600, 13965600, 14117400, 14431120, 14572800, 14759100, 14896640, 15058560, 15235200, 15743040, 16235010, 16427520, 16758720, 17317344, 18038900, 18070272, 18620800, 18823200, 18891648, 19641600, 19678800, 20078080, 20313600, 20534400, 20948400, 20990720, 21646680, 22344960, 22587840, 23089792, 23614560, 25097600, 25188864, 25976016, 26238400, 26813952, 27058350, 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約数ペア:

[(1, 20780812800), (2, 10390406400), (3, 6926937600), (4, 5195203200), (5, 4156162560), (6, 3463468800), (8, 2597601600), (9, 2308979200), (10, 2078081280), (11, 1889164800), (12, 1731734400), (15, 1385387520), (16, 1298800800), (18, 1154489600), (20, 1039040640), (22, 944582400), (23, 903513600), (24, 865867200), (25, 831232512), (30, 692693760), (31, 670348800), (32, 649400400), (33, 629721600), (36, 577244800), (40, 519520320), (44, 472291200), (45, 461795840), (46, 451756800), (48, 432933600), (50, 415616256), (55, 377832960), (60, 346346880), (62, 335174400), (64, 324700200), (66, 314860800), (69, 301171200), (72, 288622400), (75, 277077504), (80, 259760160), (88, 236145600), (90, 230897920), (92, 225878400), (93, 223449600), (96, 216466800), (99, 209907200), (100, 207808128), (110, 188916480), (115, 180702720), (120, 173173440), (124, 167587200), (128, 162350100), (132, 157430400), (138, 150585600), (144, 144311200), (150, 138538752), (155, 134069760), (160, 129880080), (165, 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(34914, 595200), (35200, 590364), (35328, 588225), (35650, 582912), (35712, 581900), (36432, 570400), (36800, 564696), (37200, 558624), (37950, 547584), (38088, 545600), (38400, 541167), (39215, 529920), (39600, 524768), (39675, 523776), (39680, 523710), (40480, 513360), (40920, 507840), (41400, 501952), (42240, 491970), (42320, 491040), (42780, 485760), (43648, 476100), (44160, 470580), (44640, 465520), (45540, 456320), (45632, 455400), (46552, 446400), (47058, 441600), (47610, 436480), (47616, 436425), (48576, 427800), (49104, 423200), (49197, 422400), (49600, 418968), (50600, 410688), (50688, 409975), (50784, 409200), (51150, 406272), (51336, 404800), (52371, 396800), (52800, 393576), (52900, 392832), (52992, 392150), (53475, 388608), (54560, 380880), (55200, 376464), (55800, 372416), (56925, 365056), (57040, 364320), (57600, 360778), (58190, 357120), (58880, 352935), (59520, 349140), (60720, 342240), (61380, 338560), (62744, 331200), (63360, 327980), (63480, 327360), (64170, 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(116380, 178560), (117645, 176640), (119025, 174592), (119040, 174570), (121440, 171120), (122760, 169280), (125488, 165600), (126720, 163990), (126960, 163680), (128340, 161920), (129536, 160425), (130944, 158700), (131192, 158400), (132480, 156860), (135424, 153450), (136400, 152352), (136896, 151800), (139656, 148800), (140800, 147591), (141174, 147200), (142600, 145728), (142848, 145475)]