168681520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1163}}^1$

素因数の和:1227

約数の個数: 120

約数和(自身を含む): 468947664

約数和(自身を除く): 300266144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 740, 784, 980, 1036, 1163, 1295, 1480, 1813, 1960, 2072, 2326, 2590, 2960, 3626, 3920, 4144, 4652, 5180, 5815, 7252, 8141, 9065, 9304, 10360, 11630, 14504, 16282, 18130, 18608, 20720, 23260, 29008, 32564, 36260, 40705, 43031, 46520, 56987, 65128, 72520, 81410, 86062, 93040, 113974, 130256, 145040, 162820, 172124, 215155, 227948, 284935, 301217, 325640, 344248, 430310, 455896, 569870, 602434, 651280, 688496, 860620, 911792, 1139740, 1204868, 1506085, 1721240, 2108519, 2279480, 2409736, 3012170, 3442480, 4217038, 4558960, 4819472, 6024340, 8434076, 10542595, 12048680, 16868152, 21085190, 24097360, 33736304, 42170380, 84340760, 168681520]

約数ペア:

[(1, 168681520), (2, 84340760), (4, 42170380), (5, 33736304), (7, 24097360), (8, 21085190), (10, 16868152), (14, 12048680), (16, 10542595), (20, 8434076), (28, 6024340), (35, 4819472), (37, 4558960), (40, 4217038), (49, 3442480), (56, 3012170), (70, 2409736), (74, 2279480), (80, 2108519), (98, 1721240), (112, 1506085), (140, 1204868), (148, 1139740), (185, 911792), (196, 860620), (245, 688496), (259, 651280), (280, 602434), (296, 569870), (370, 455896), (392, 430310), (490, 344248), (518, 325640), (560, 301217), (592, 284935), (740, 227948), (784, 215155), (980, 172124), (1036, 162820), (1163, 145040), (1295, 130256), (1480, 113974), (1813, 93040), (1960, 86062), (2072, 81410), (2326, 72520), (2590, 65128), (2960, 56987), (3626, 46520), (3920, 43031), (4144, 40705), (4652, 36260), (5180, 32564), (5815, 29008), (7252, 23260), (8141, 20720), (9065, 18608), (9304, 18130), (10360, 16282), (11630, 14504)]