81452880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 292481280

約数和(自身を除く): 211028400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 47, 48, 58, 60, 72, 80, 83, 87, 90, 94, 116, 120, 141, 144, 145, 166, 174, 180, 188, 232, 235, 240, 249, 261, 282, 290, 332, 348, 360, 376, 415, 423, 435, 464, 470, 498, 522, 564, 580, 664, 696, 705, 720, 747, 752, 830, 846, 870, 940, 996, 1044, 1128, 1160, 1245, 1305, 1328, 1363, 1392, 1410, 1494, 1660, 1692, 1740, 1880, 1992, 2088, 2115, 2256, 2320, 2407, 2490, 2610, 2726, 2820, 2988, 3320, 3384, 3480, 3735, 3760, 3901, 3984, 4089, 4176, 4230, 4814, 4980, 5220, 5452, 5640, 5976, 6640, 6768, 6815, 6960, 7221, 7470, 7802, 8178, 8460, 9628, 9960, 10440, 10904, 11280, 11703, 11952, 12035, 12267, 13630, 14442, 14940, 15604, 16356, 16920, 19256, 19505, 19920, 20445, 20880, 21663, 21808, 23406, 24070, 24534, 27260, 28884, 29880, 31208, 32712, 33840, 35109, 36105, 38512, 39010, 40890, 43326, 46812, 48140, 49068, 54520, 57768, 58515, 59760, 61335, 62416, 65424, 70218, 72210, 78020, 81780, 86652, 93624, 96280, 98136, 108315, 109040, 113129, 115536, 117030, 122670, 140436, 144420, 156040, 163560, 173304, 175545, 187248, 192560, 196272, 216630, 226258, 234060, 245340, 280872, 288840, 312080, 327120, 339387, 346608, 351090, 433260, 452516, 468120, 490680, 561744, 565645, 577680, 678774, 702180, 866520, 905032, 936240, 981360, 1018161, 1131290, 1357548, 1404360, 1696935, 1733040, 1810064, 2036322, 2262580, 2715096, 2808720, 3393870, 4072644, 4525160, 5090805, 5430192, 6787740, 8145288, 9050320, 10181610, 13575480, 16290576, 20363220, 27150960, 40726440, 81452880]

約数ペア:

[(1, 81452880), (2, 40726440), (3, 27150960), (4, 20363220), (5, 16290576), (6, 13575480), (8, 10181610), (9, 9050320), (10, 8145288), (12, 6787740), (15, 5430192), (16, 5090805), (18, 4525160), (20, 4072644), (24, 3393870), (29, 2808720), (30, 2715096), (36, 2262580), (40, 2036322), (45, 1810064), (47, 1733040), (48, 1696935), (58, 1404360), (60, 1357548), (72, 1131290), (80, 1018161), (83, 981360), (87, 936240), (90, 905032), (94, 866520), (116, 702180), (120, 678774), (141, 577680), (144, 565645), (145, 561744), (166, 490680), (174, 468120), (180, 452516), (188, 433260), (232, 351090), (235, 346608), (240, 339387), (249, 327120), (261, 312080), (282, 288840), (290, 280872), (332, 245340), (348, 234060), (360, 226258), (376, 216630), (415, 196272), (423, 192560), (435, 187248), (464, 175545), (470, 173304), (498, 163560), (522, 156040), (564, 144420), (580, 140436), (664, 122670), (696, 117030), (705, 115536), (720, 113129), (747, 109040), (752, 108315), (830, 98136), (846, 96280), (870, 93624), (940, 86652), (996, 81780), (1044, 78020), (1128, 72210), (1160, 70218), (1245, 65424), (1305, 62416), (1328, 61335), (1363, 59760), (1392, 58515), (1410, 57768), (1494, 54520), (1660, 49068), (1692, 48140), (1740, 46812), (1880, 43326), (1992, 40890), (2088, 39010), (2115, 38512), (2256, 36105), (2320, 35109), (2407, 33840), (2490, 32712), (2610, 31208), (2726, 29880), (2820, 28884), (2988, 27260), (3320, 24534), (3384, 24070), (3480, 23406), (3735, 21808), (3760, 21663), (3901, 20880), (3984, 20445), (4089, 19920), (4176, 19505), (4230, 19256), (4814, 16920), (4980, 16356), (5220, 15604), (5452, 14940), (5640, 14442), (5976, 13630), (6640, 12267), (6768, 12035), (6815, 11952), (6960, 11703), (7221, 11280), (7470, 10904), (7802, 10440), (8178, 9960), (8460, 9628)]