123912180

素因数分解:

$2^2\times 3^4\times 5^1\times 7^3\times {\mathrm{223}}^1$

素因数の和:265

約数の個数: 240

約数和(自身を含む): 455347200

約数和(自身を除く): 331435020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 223, 245, 252, 270, 294, 315, 324, 343, 378, 405, 420, 441, 446, 490, 540, 567, 588, 630, 669, 686, 735, 756, 810, 882, 892, 945, 980, 1029, 1115, 1134, 1260, 1323, 1338, 1372, 1470, 1561, 1620, 1715, 1764, 1890, 2007, 2058, 2205, 2230, 2268, 2646, 2676, 2835, 2940, 3087, 3122, 3345, 3430, 3780, 3969, 4014, 4116, 4410, 4460, 4683, 5145, 5292, 5670, 6021, 6174, 6244, 6615, 6690, 6860, 7805, 7938, 8028, 8820, 9261, 9366, 10035, 10290, 10927, 11340, 12042, 12348, 13230, 13380, 14049, 15435, 15610, 15876, 18063, 18522, 18732, 19845, 20070, 20580, 21854, 23415, 24084, 26460, 27783, 28098, 30105, 30870, 31220, 32781, 36126, 37044, 39690, 40140, 42147, 43708, 46305, 46830, 54635, 55566, 56196, 60210, 61740, 65562, 70245, 72252, 76489, 79380, 84294, 90315, 92610, 93660, 98343, 109270, 111132, 120420, 126441, 131124, 138915, 140490, 152978, 163905, 168588, 180630, 185220, 196686, 210735, 218540, 229467, 252882, 277830, 280980, 295029, 305956, 327810, 361260, 382445, 393372, 421470, 458934, 491715, 505764, 555660, 590058, 632205, 655620, 688401, 764890, 842940, 885087, 917868, 983430, 1147335, 1180116, 1264410, 1376802, 1475145, 1529780, 1770174, 1966860, 2065203, 2294670, 2528820, 2753604, 2950290, 3442005, 3540348, 4130406, 4425435, 4589340, 5900580, 6195609, 6884010, 8260812, 8850870, 10326015, 12391218, 13768020, 17701740, 20652030, 24782436, 30978045, 41304060, 61956090, 123912180]

約数ペア:

[(1, 123912180), (2, 61956090), (3, 41304060), (4, 30978045), (5, 24782436), (6, 20652030), (7, 17701740), (9, 13768020), (10, 12391218), (12, 10326015), (14, 8850870), (15, 8260812), (18, 6884010), (20, 6195609), (21, 5900580), (27, 4589340), (28, 4425435), (30, 4130406), (35, 3540348), (36, 3442005), (42, 2950290), (45, 2753604), (49, 2528820), (54, 2294670), (60, 2065203), (63, 1966860), (70, 1770174), (81, 1529780), (84, 1475145), (90, 1376802), (98, 1264410), (105, 1180116), (108, 1147335), (126, 983430), (135, 917868), (140, 885087), (147, 842940), (162, 764890), (180, 688401), (189, 655620), (196, 632205), (210, 590058), (223, 555660), (245, 505764), (252, 491715), (270, 458934), (294, 421470), (315, 393372), (324, 382445), (343, 361260), (378, 327810), (405, 305956), (420, 295029), (441, 280980), (446, 277830), (490, 252882), (540, 229467), (567, 218540), (588, 210735), (630, 196686), (669, 185220), (686, 180630), (735, 168588), (756, 163905), (810, 152978), (882, 140490), (892, 138915), (945, 131124), (980, 126441), (1029, 120420), (1115, 111132), (1134, 109270), (1260, 98343), (1323, 93660), (1338, 92610), (1372, 90315), (1470, 84294), (1561, 79380), (1620, 76489), (1715, 72252), (1764, 70245), (1890, 65562), (2007, 61740), (2058, 60210), (2205, 56196), (2230, 55566), (2268, 54635), (2646, 46830), (2676, 46305), (2835, 43708), (2940, 42147), (3087, 40140), (3122, 39690), (3345, 37044), (3430, 36126), (3780, 32781), (3969, 31220), (4014, 30870), (4116, 30105), (4410, 28098), (4460, 27783), (4683, 26460), (5145, 24084), (5292, 23415), (5670, 21854), (6021, 20580), (6174, 20070), (6244, 19845), (6615, 18732), (6690, 18522), (6860, 18063), (7805, 15876), (7938, 15610), (8028, 15435), (8820, 14049), (9261, 13380), (9366, 13230), (10035, 12348), (10290, 12042), (10927, 11340)]