312992680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7817}}^1$

素因数の和:7859

約数の個数: 128

約数和(自身を含む): 945665280

約数和(自身を除く): 632672600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 7817, 8008, 10010, 15634, 20020, 31268, 39085, 40040, 54719, 62536, 78170, 85987, 101621, 109438, 156340, 171974, 203242, 218876, 273595, 312680, 343948, 406484, 429935, 437752, 508105, 547190, 601909, 687896, 711347, 812968, 859870, 1016210, 1094380, 1117831, 1203818, 1422694, 1719740, 2032420, 2188760, 2235662, 2407636, 2845388, 3009545, 3439480, 3556735, 4064840, 4471324, 4815272, 5589155, 5690776, 6019090, 7113470, 7824817, 8942648, 11178310, 12038180, 14226940, 15649634, 22356620, 24076360, 28453880, 31299268, 39124085, 44713240, 62598536, 78248170, 156496340, 312992680]

約数ペア:

[(1, 312992680), (2, 156496340), (4, 78248170), (5, 62598536), (7, 44713240), (8, 39124085), (10, 31299268), (11, 28453880), (13, 24076360), (14, 22356620), (20, 15649634), (22, 14226940), (26, 12038180), (28, 11178310), (35, 8942648), (40, 7824817), (44, 7113470), (52, 6019090), (55, 5690776), (56, 5589155), (65, 4815272), (70, 4471324), (77, 4064840), (88, 3556735), (91, 3439480), (104, 3009545), (110, 2845388), (130, 2407636), (140, 2235662), (143, 2188760), (154, 2032420), (182, 1719740), (220, 1422694), (260, 1203818), (280, 1117831), (286, 1094380), (308, 1016210), (364, 859870), (385, 812968), (440, 711347), (455, 687896), (520, 601909), (572, 547190), (616, 508105), (715, 437752), (728, 429935), (770, 406484), (910, 343948), (1001, 312680), (1144, 273595), (1430, 218876), (1540, 203242), (1820, 171974), (2002, 156340), (2860, 109438), (3080, 101621), (3640, 85987), (4004, 78170), (5005, 62536), (5720, 54719), (7817, 40040), (8008, 39085), (10010, 31268), (15634, 20020)]