215460720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 240

約数和(自身を含む): 793877760

約数和(自身を除く): 578417040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 48, 51, 58, 60, 68, 72, 80, 85, 87, 90, 102, 116, 120, 136, 144, 145, 153, 170, 174, 180, 204, 232, 240, 255, 261, 272, 290, 306, 340, 348, 360, 408, 435, 464, 493, 510, 522, 580, 607, 612, 680, 696, 720, 765, 816, 870, 986, 1020, 1044, 1160, 1214, 1224, 1305, 1360, 1392, 1479, 1530, 1740, 1821, 1972, 2040, 2088, 2320, 2428, 2448, 2465, 2610, 2958, 3035, 3060, 3480, 3642, 3944, 4080, 4176, 4437, 4856, 4930, 5220, 5463, 5916, 6070, 6120, 6960, 7284, 7395, 7888, 8874, 9105, 9712, 9860, 10319, 10440, 10926, 11832, 12140, 12240, 14568, 14790, 17603, 17748, 18210, 19720, 20638, 20880, 21852, 22185, 23664, 24280, 27315, 29136, 29580, 30957, 35206, 35496, 36420, 39440, 41276, 43704, 44370, 48560, 51595, 52809, 54630, 59160, 61914, 70412, 70992, 72840, 82552, 87408, 88015, 88740, 92871, 103190, 105618, 109260, 118320, 123828, 140824, 145680, 154785, 158427, 165104, 176030, 177480, 185742, 206380, 211236, 218520, 247656, 264045, 281648, 299251, 309570, 316854, 352060, 354960, 371484, 412760, 422472, 437040, 464355, 495312, 528090, 598502, 619140, 633708, 704120, 742968, 792135, 825520, 844944, 897753, 928710, 1056180, 1197004, 1238280, 1267416, 1408240, 1485936, 1496255, 1584270, 1795506, 1857420, 2112360, 2394008, 2476560, 2534832, 2693259, 2992510, 3168540, 3591012, 3714840, 4224720, 4488765, 4788016, 5386518, 5985020, 6337080, 7182024, 7429680, 8977530, 10773036, 11970040, 12674160, 13466295, 14364048, 17955060, 21546072, 23940080, 26932590, 35910120, 43092144, 53865180, 71820240, 107730360, 215460720]

約数ペア:

[(1, 215460720), (2, 107730360), (3, 71820240), (4, 53865180), (5, 43092144), (6, 35910120), (8, 26932590), (9, 23940080), (10, 21546072), (12, 17955060), (15, 14364048), (16, 13466295), (17, 12674160), (18, 11970040), (20, 10773036), (24, 8977530), (29, 7429680), (30, 7182024), (34, 6337080), (36, 5985020), (40, 5386518), (45, 4788016), (48, 4488765), (51, 4224720), (58, 3714840), (60, 3591012), (68, 3168540), (72, 2992510), (80, 2693259), (85, 2534832), (87, 2476560), (90, 2394008), (102, 2112360), (116, 1857420), (120, 1795506), (136, 1584270), (144, 1496255), (145, 1485936), (153, 1408240), (170, 1267416), (174, 1238280), (180, 1197004), (204, 1056180), (232, 928710), (240, 897753), (255, 844944), (261, 825520), (272, 792135), (290, 742968), (306, 704120), (340, 633708), (348, 619140), (360, 598502), (408, 528090), (435, 495312), (464, 464355), (493, 437040), (510, 422472), (522, 412760), (580, 371484), (607, 354960), (612, 352060), (680, 316854), (696, 309570), (720, 299251), (765, 281648), (816, 264045), (870, 247656), (986, 218520), (1020, 211236), (1044, 206380), (1160, 185742), (1214, 177480), (1224, 176030), (1305, 165104), (1360, 158427), (1392, 154785), (1479, 145680), (1530, 140824), (1740, 123828), (1821, 118320), (1972, 109260), (2040, 105618), (2088, 103190), (2320, 92871), (2428, 88740), (2448, 88015), (2465, 87408), (2610, 82552), (2958, 72840), (3035, 70992), (3060, 70412), (3480, 61914), (3642, 59160), (3944, 54630), (4080, 52809), (4176, 51595), (4437, 48560), (4856, 44370), (4930, 43704), (5220, 41276), (5463, 39440), (5916, 36420), (6070, 35496), (6120, 35206), (6960, 30957), (7284, 29580), (7395, 29136), (7888, 27315), (8874, 24280), (9105, 23664), (9712, 22185), (9860, 21852), (10319, 20880), (10440, 20638), (10926, 19720), (11832, 18210), (12140, 17748), (12240, 17603), (14568, 14790)]