647217360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 240

約数和(自身を含む): 2274854400

約数和(自身を除く): 1627637040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 139, 144, 145, 174, 180, 223, 232, 240, 261, 278, 290, 348, 360, 417, 435, 446, 464, 522, 556, 580, 669, 695, 696, 720, 834, 870, 892, 1044, 1112, 1115, 1160, 1251, 1305, 1338, 1390, 1392, 1668, 1740, 1784, 2007, 2085, 2088, 2224, 2230, 2320, 2502, 2610, 2676, 2780, 3336, 3345, 3480, 3568, 4014, 4031, 4170, 4176, 4460, 5004, 5220, 5352, 5560, 6255, 6467, 6672, 6690, 6960, 8028, 8062, 8340, 8920, 10008, 10035, 10440, 10704, 11120, 12093, 12510, 12934, 13380, 16056, 16124, 16680, 17840, 19401, 20016, 20070, 20155, 20880, 24186, 25020, 25868, 26760, 30997, 32112, 32248, 32335, 33360, 36279, 38802, 40140, 40310, 48372, 50040, 51736, 53520, 58203, 60465, 61994, 64496, 64670, 72558, 77604, 80280, 80620, 92991, 96744, 97005, 100080, 103472, 116406, 120930, 123988, 129340, 145116, 154985, 155208, 160560, 161240, 181395, 185982, 193488, 194010, 232812, 241860, 247976, 258680, 278973, 290232, 291015, 309970, 310416, 322480, 362790, 371964, 388020, 464955, 465624, 483720, 495952, 517360, 557946, 580464, 582030, 619940, 725580, 743928, 776040, 898913, 929910, 931248, 967440, 1115892, 1164060, 1239880, 1394865, 1451160, 1487856, 1552080, 1797826, 1859820, 2231784, 2328120, 2479760, 2696739, 2789730, 2902320, 3595652, 3719640, 4463568, 4494565, 4656240, 5393478, 5579460, 7191304, 7439280, 8090217, 8989130, 10786956, 11158920, 13483695, 14382608, 16180434, 17978260, 21573912, 22317840, 26967390, 32360868, 35956520, 40451085, 43147824, 53934780, 64721736, 71913040, 80902170, 107869560, 129443472, 161804340, 215739120, 323608680, 647217360]

約数ペア:

[(1, 647217360), (2, 323608680), (3, 215739120), (4, 161804340), (5, 129443472), (6, 107869560), (8, 80902170), (9, 71913040), (10, 64721736), (12, 53934780), (15, 43147824), (16, 40451085), (18, 35956520), (20, 32360868), (24, 26967390), (29, 22317840), (30, 21573912), (36, 17978260), (40, 16180434), (45, 14382608), (48, 13483695), (58, 11158920), (60, 10786956), (72, 8989130), (80, 8090217), (87, 7439280), (90, 7191304), (116, 5579460), (120, 5393478), (139, 4656240), (144, 4494565), (145, 4463568), (174, 3719640), (180, 3595652), (223, 2902320), (232, 2789730), (240, 2696739), (261, 2479760), (278, 2328120), (290, 2231784), (348, 1859820), (360, 1797826), (417, 1552080), (435, 1487856), (446, 1451160), (464, 1394865), (522, 1239880), (556, 1164060), (580, 1115892), (669, 967440), (695, 931248), (696, 929910), (720, 898913), (834, 776040), (870, 743928), (892, 725580), (1044, 619940), (1112, 582030), (1115, 580464), (1160, 557946), (1251, 517360), (1305, 495952), (1338, 483720), (1390, 465624), (1392, 464955), (1668, 388020), (1740, 371964), (1784, 362790), (2007, 322480), (2085, 310416), (2088, 309970), (2224, 291015), (2230, 290232), (2320, 278973), (2502, 258680), (2610, 247976), (2676, 241860), (2780, 232812), (3336, 194010), (3345, 193488), (3480, 185982), (3568, 181395), (4014, 161240), (4031, 160560), (4170, 155208), (4176, 154985), (4460, 145116), (5004, 129340), (5220, 123988), (5352, 120930), (5560, 116406), (6255, 103472), (6467, 100080), (6672, 97005), (6690, 96744), (6960, 92991), (8028, 80620), (8062, 80280), (8340, 77604), (8920, 72558), (10008, 64670), (10035, 64496), (10440, 61994), (10704, 60465), (11120, 58203), (12093, 53520), (12510, 51736), (12934, 50040), (13380, 48372), (16056, 40310), (16124, 40140), (16680, 38802), (17840, 36279), (19401, 33360), (20016, 32335), (20070, 32248), (20155, 32112), (20880, 30997), (24186, 26760), (25020, 25868)]