145396720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1335

約数の個数: 120

約数和(自身を含む): 407116800

約数和(自身を除く): 261720080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 464, 490, 560, 580, 784, 812, 980, 1015, 1160, 1279, 1421, 1624, 1960, 2030, 2320, 2558, 2842, 3248, 3920, 4060, 5116, 5684, 6395, 7105, 8120, 8953, 10232, 11368, 12790, 14210, 16240, 17906, 20464, 22736, 25580, 28420, 35812, 37091, 44765, 51160, 56840, 62671, 71624, 74182, 89530, 102320, 113680, 125342, 143248, 148364, 179060, 185455, 250684, 259637, 296728, 313355, 358120, 370910, 501368, 519274, 593456, 626710, 716240, 741820, 1002736, 1038548, 1253420, 1298185, 1483640, 1817459, 2077096, 2506840, 2596370, 2967280, 3634918, 4154192, 5013680, 5192740, 7269836, 9087295, 10385480, 14539672, 18174590, 20770960, 29079344, 36349180, 72698360, 145396720]

約数ペア:

[(1, 145396720), (2, 72698360), (4, 36349180), (5, 29079344), (7, 20770960), (8, 18174590), (10, 14539672), (14, 10385480), (16, 9087295), (20, 7269836), (28, 5192740), (29, 5013680), (35, 4154192), (40, 3634918), (49, 2967280), (56, 2596370), (58, 2506840), (70, 2077096), (80, 1817459), (98, 1483640), (112, 1298185), (116, 1253420), (140, 1038548), (145, 1002736), (196, 741820), (203, 716240), (232, 626710), (245, 593456), (280, 519274), (290, 501368), (392, 370910), (406, 358120), (464, 313355), (490, 296728), (560, 259637), (580, 250684), (784, 185455), (812, 179060), (980, 148364), (1015, 143248), (1160, 125342), (1279, 113680), (1421, 102320), (1624, 89530), (1960, 74182), (2030, 71624), (2320, 62671), (2558, 56840), (2842, 51160), (3248, 44765), (3920, 37091), (4060, 35812), (5116, 28420), (5684, 25580), (6395, 22736), (7105, 20464), (8120, 17906), (8953, 16240), (10232, 14210), (11368, 12790)]