319433920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2477}}^1$

素因数の和:2538

約数の個数: 112

約数和(自身を含む): 845929728

約数和(自身を除く): 526495808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2477, 2480, 3224, 4030, 4160, 4954, 4960, 6448, 8060, 9908, 9920, 12385, 12896, 16120, 19816, 24770, 25792, 32201, 32240, 39632, 49540, 64402, 64480, 76787, 79264, 99080, 128804, 128960, 153574, 158528, 161005, 198160, 257608, 307148, 322010, 383935, 396320, 515216, 614296, 644020, 767870, 792640, 998231, 1030432, 1228592, 1288040, 1535740, 1996462, 2060864, 2457184, 2576080, 3071480, 3992924, 4914368, 4991155, 5152160, 6142960, 7985848, 9982310, 10304320, 12285920, 15971696, 19964620, 24571840, 31943392, 39929240, 63886784, 79858480, 159716960, 319433920]

約数ペア:

[(1, 319433920), (2, 159716960), (4, 79858480), (5, 63886784), (8, 39929240), (10, 31943392), (13, 24571840), (16, 19964620), (20, 15971696), (26, 12285920), (31, 10304320), (32, 9982310), (40, 7985848), (52, 6142960), (62, 5152160), (64, 4991155), (65, 4914368), (80, 3992924), (104, 3071480), (124, 2576080), (130, 2457184), (155, 2060864), (160, 1996462), (208, 1535740), (248, 1288040), (260, 1228592), (310, 1030432), (320, 998231), (403, 792640), (416, 767870), (496, 644020), (520, 614296), (620, 515216), (806, 396320), (832, 383935), (992, 322010), (1040, 307148), (1240, 257608), (1612, 198160), (1984, 161005), (2015, 158528), (2080, 153574), (2477, 128960), (2480, 128804), (3224, 99080), (4030, 79264), (4160, 76787), (4954, 64480), (4960, 64402), (6448, 49540), (8060, 39632), (9908, 32240), (9920, 32201), (12385, 25792), (12896, 24770), (16120, 19816)]