20828049120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{6121}}^1$

素因数の和:6298

約数の個数: 288

約数和(自身を含む): 75810440160

約数和(自身を除く): 54982391040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 139, 144, 153, 160, 170, 180, 204, 240, 255, 272, 278, 288, 306, 340, 360, 408, 417, 480, 510, 544, 556, 612, 680, 695, 720, 765, 816, 834, 1020, 1112, 1224, 1251, 1360, 1390, 1440, 1530, 1632, 1668, 2040, 2085, 2224, 2363, 2448, 2502, 2720, 2780, 3060, 3336, 4080, 4170, 4448, 4726, 4896, 5004, 5560, 6120, 6121, 6255, 6672, 7089, 8160, 8340, 9452, 10008, 11120, 11815, 12240, 12242, 12510, 13344, 14178, 16680, 18363, 18904, 20016, 21267, 22240, 23630, 24480, 24484, 25020, 28356, 30605, 33360, 35445, 36726, 37808, 40032, 42534, 47260, 48968, 50040, 55089, 56712, 61210, 66720, 70890, 73452, 75616, 85068, 91815, 94520, 97936, 100080, 104057, 106335, 110178, 113424, 122420, 141780, 146904, 170136, 183630, 189040, 195872, 200160, 208114, 212670, 220356, 226848, 244840, 275445, 283560, 293808, 312171, 340272, 367260, 378080, 416228, 425340, 440712, 489680, 520285, 550890, 567120, 587616, 624342, 680544, 734520, 832456, 850680, 850819, 881424, 936513, 979360, 1040570, 1101780, 1134240, 1248684, 1469040, 1560855, 1664912, 1701360, 1701638, 1762848, 1873026, 2081140, 2203560, 2497368, 2552457, 2938080, 3121710, 3329824, 3402720, 3403276, 3746052, 4162280, 4254095, 4407120, 4682565, 4994736, 5104914, 6243420, 6806552, 7492104, 7657371, 8324560, 8508190, 8814240, 9365130, 9989472, 10209828, 12486840, 12762285, 13613104, 14463923, 14984208, 15314742, 16649120, 17016380, 18730260, 20419656, 24973680, 25524570, 27226208, 28927846, 29968416, 30629484, 34032760, 37460520, 38286855, 40839312, 43391769, 49947360, 51049140, 57855692, 61258968, 68065520, 72319615, 74921040, 76573710, 81678624, 86783538, 102098280, 115711384, 122517936, 130175307, 136131040, 144639230, 149842080, 153147420, 173567076, 204196560, 216958845, 231422768, 245035872, 260350614, 289278460, 306294840, 347134152, 408393120, 433917690, 462845536, 520701228, 578556920, 612589680, 650876535, 694268304, 867835380, 1041402456, 1157113840, 1225179360, 1301753070, 1388536608, 1735670760, 2082804912, 2314227680, 2603506140, 3471341520, 4165609824, 5207012280, 6942683040, 10414024560, 20828049120]

約数ペア:

[(1, 20828049120), (2, 10414024560), (3, 6942683040), (4, 5207012280), (5, 4165609824), (6, 3471341520), (8, 2603506140), (9, 2314227680), (10, 2082804912), (12, 1735670760), (15, 1388536608), (16, 1301753070), (17, 1225179360), (18, 1157113840), (20, 1041402456), (24, 867835380), (30, 694268304), (32, 650876535), (34, 612589680), (36, 578556920), (40, 520701228), (45, 462845536), (48, 433917690), (51, 408393120), (60, 347134152), (68, 306294840), (72, 289278460), (80, 260350614), (85, 245035872), (90, 231422768), (96, 216958845), (102, 204196560), (120, 173567076), (136, 153147420), (139, 149842080), (144, 144639230), (153, 136131040), (160, 130175307), (170, 122517936), (180, 115711384), (204, 102098280), (240, 86783538), (255, 81678624), (272, 76573710), (278, 74921040), (288, 72319615), (306, 68065520), (340, 61258968), (360, 57855692), (408, 51049140), (417, 49947360), (480, 43391769), (510, 40839312), (544, 38286855), (556, 37460520), (612, 34032760), (680, 30629484), (695, 29968416), (720, 28927846), (765, 27226208), (816, 25524570), (834, 24973680), (1020, 20419656), (1112, 18730260), (1224, 17016380), (1251, 16649120), (1360, 15314742), (1390, 14984208), (1440, 14463923), (1530, 13613104), (1632, 12762285), (1668, 12486840), (2040, 10209828), (2085, 9989472), (2224, 9365130), (2363, 8814240), (2448, 8508190), (2502, 8324560), (2720, 7657371), (2780, 7492104), (3060, 6806552), (3336, 6243420), (4080, 5104914), (4170, 4994736), (4448, 4682565), (4726, 4407120), (4896, 4254095), (5004, 4162280), (5560, 3746052), (6120, 3403276), (6121, 3402720), (6255, 3329824), (6672, 3121710), (7089, 2938080), (8160, 2552457), (8340, 2497368), (9452, 2203560), (10008, 2081140), (11120, 1873026), (11815, 1762848), (12240, 1701638), (12242, 1701360), (12510, 1664912), (13344, 1560855), (14178, 1469040), (16680, 1248684), (18363, 1134240), (18904, 1101780), (20016, 1040570), (21267, 979360), (22240, 936513), (23630, 881424), (24480, 850819), (24484, 850680), (25020, 832456), (28356, 734520), (30605, 680544), (33360, 624342), (35445, 587616), (36726, 567120), (37808, 550890), (40032, 520285), (42534, 489680), (47260, 440712), (48968, 425340), (50040, 416228), (55089, 378080), (56712, 367260), (61210, 340272), (66720, 312171), (70890, 293808), (73452, 283560), (75616, 275445), (85068, 244840), (91815, 226848), (94520, 220356), (97936, 212670), (100080, 208114), (104057, 200160), (106335, 195872), (110178, 189040), (113424, 183630), (122420, 170136), (141780, 146904)]