31316880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2663}}^1$

素因数の和:2693

約数の個数: 120

約数和(自身を含む): 112974912

約数和(自身を除く): 81658032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2663, 2940, 3920, 5326, 5880, 7989, 10652, 11760, 13315, 15978, 18641, 21304, 26630, 31956, 37282, 39945, 42608, 53260, 55923, 63912, 74564, 79890, 93205, 106520, 111846, 127824, 130487, 149128, 159780, 186410, 213040, 223692, 260974, 279615, 298256, 319560, 372820, 391461, 447384, 521948, 559230, 639120, 652435, 745640, 782922, 894768, 1043896, 1118460, 1304870, 1491280, 1565844, 1957305, 2087792, 2236920, 2609740, 3131688, 3914610, 4473840, 5219480, 6263376, 7829220, 10438960, 15658440, 31316880]

約数ペア:

[(1, 31316880), (2, 15658440), (3, 10438960), (4, 7829220), (5, 6263376), (6, 5219480), (7, 4473840), (8, 3914610), (10, 3131688), (12, 2609740), (14, 2236920), (15, 2087792), (16, 1957305), (20, 1565844), (21, 1491280), (24, 1304870), (28, 1118460), (30, 1043896), (35, 894768), (40, 782922), (42, 745640), (48, 652435), (49, 639120), (56, 559230), (60, 521948), (70, 447384), (80, 391461), (84, 372820), (98, 319560), (105, 298256), (112, 279615), (120, 260974), (140, 223692), (147, 213040), (168, 186410), (196, 159780), (210, 149128), (240, 130487), (245, 127824), (280, 111846), (294, 106520), (336, 93205), (392, 79890), (420, 74564), (490, 63912), (560, 55923), (588, 53260), (735, 42608), (784, 39945), (840, 37282), (980, 31956), (1176, 26630), (1470, 21304), (1680, 18641), (1960, 15978), (2352, 13315), (2663, 11760), (2940, 10652), (3920, 7989), (5326, 5880)]