172221120

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:700

約数の個数: 224

約数和(自身を含む): 628131840

約数和(自身を除く): 455910720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 643, 720, 744, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1286, 1395, 1440, 1488, 1674, 1728, 1860, 1929, 1984, 2160, 2232, 2480, 2572, 2790, 2880, 2976, 3215, 3348, 3720, 3858, 4185, 4320, 4464, 4960, 5144, 5580, 5787, 5952, 6430, 6696, 7440, 7716, 8370, 8640, 8928, 9645, 9920, 10288, 11160, 11574, 12860, 13392, 14880, 15432, 16740, 17361, 17856, 19290, 19933, 20576, 22320, 23148, 25720, 26784, 28935, 29760, 30864, 33480, 34722, 38580, 39866, 41152, 44640, 46296, 51440, 53568, 57870, 59799, 61728, 66960, 69444, 77160, 79732, 86805, 89280, 92592, 99665, 102880, 115740, 119598, 123456, 133920, 138888, 154320, 159464, 173610, 179397, 185184, 199330, 205760, 231480, 239196, 267840, 277776, 298995, 308640, 318928, 347220, 358794, 370368, 398660, 462960, 478392, 538191, 555552, 597990, 617280, 637856, 694440, 717588, 797320, 896985, 925920, 956784, 1076382, 1111104, 1195980, 1275712, 1388880, 1435176, 1594640, 1793970, 1851840, 1913568, 2152764, 2391960, 2690955, 2777760, 2870352, 3189280, 3587940, 3827136, 4305528, 4783920, 5381910, 5555520, 5740704, 6378560, 7175880, 8611056, 9567840, 10763820, 11481408, 14351760, 17222112, 19135680, 21527640, 28703520, 34444224, 43055280, 57407040, 86110560, 172221120]

約数ペア:

[(1, 172221120), (2, 86110560), (3, 57407040), (4, 43055280), (5, 34444224), (6, 28703520), (8, 21527640), (9, 19135680), (10, 17222112), (12, 14351760), (15, 11481408), (16, 10763820), (18, 9567840), (20, 8611056), (24, 7175880), (27, 6378560), (30, 5740704), (31, 5555520), (32, 5381910), (36, 4783920), (40, 4305528), (45, 3827136), (48, 3587940), (54, 3189280), (60, 2870352), (62, 2777760), (64, 2690955), (72, 2391960), (80, 2152764), (90, 1913568), (93, 1851840), (96, 1793970), (108, 1594640), (120, 1435176), (124, 1388880), (135, 1275712), (144, 1195980), (155, 1111104), (160, 1076382), (180, 956784), (186, 925920), (192, 896985), (216, 797320), (240, 717588), (248, 694440), (270, 637856), (279, 617280), (288, 597990), (310, 555552), (320, 538191), (360, 478392), (372, 462960), (432, 398660), (465, 370368), (480, 358794), (496, 347220), (540, 318928), (558, 308640), (576, 298995), (620, 277776), (643, 267840), (720, 239196), (744, 231480), (837, 205760), (864, 199330), (930, 185184), (960, 179397), (992, 173610), (1080, 159464), (1116, 154320), (1240, 138888), (1286, 133920), (1395, 123456), (1440, 119598), (1488, 115740), (1674, 102880), (1728, 99665), (1860, 92592), (1929, 89280), (1984, 86805), (2160, 79732), (2232, 77160), (2480, 69444), (2572, 66960), (2790, 61728), (2880, 59799), (2976, 57870), (3215, 53568), (3348, 51440), (3720, 46296), (3858, 44640), (4185, 41152), (4320, 39866), (4464, 38580), (4960, 34722), (5144, 33480), (5580, 30864), (5787, 29760), (5952, 28935), (6430, 26784), (6696, 25720), (7440, 23148), (7716, 22320), (8370, 20576), (8640, 19933), (8928, 19290), (9645, 17856), (9920, 17361), (10288, 16740), (11160, 15432), (11574, 14880), (12860, 13392)]