131312280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3265

約数の個数: 128

約数和(自身を含む): 443750400

約数和(自身を除く): 312438120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3209, 3410, 3720, 4092, 5115, 6418, 6820, 8184, 9627, 10230, 12836, 13640, 16045, 19254, 20460, 25672, 32090, 35299, 38508, 40920, 48135, 64180, 70598, 77016, 96270, 99479, 105897, 128360, 141196, 176495, 192540, 198958, 211794, 282392, 298437, 352990, 385080, 397916, 423588, 497395, 529485, 596874, 705980, 795832, 847176, 994790, 1058970, 1094269, 1193748, 1411960, 1492185, 1989580, 2117940, 2188538, 2387496, 2984370, 3282807, 3979160, 4235880, 4377076, 5471345, 5968740, 6565614, 8754152, 10942690, 11937480, 13131228, 16414035, 21885380, 26262456, 32828070, 43770760, 65656140, 131312280]

約数ペア:

[(1, 131312280), (2, 65656140), (3, 43770760), (4, 32828070), (5, 26262456), (6, 21885380), (8, 16414035), (10, 13131228), (11, 11937480), (12, 10942690), (15, 8754152), (20, 6565614), (22, 5968740), (24, 5471345), (30, 4377076), (31, 4235880), (33, 3979160), (40, 3282807), (44, 2984370), (55, 2387496), (60, 2188538), (62, 2117940), (66, 1989580), (88, 1492185), (93, 1411960), (110, 1193748), (120, 1094269), (124, 1058970), (132, 994790), (155, 847176), (165, 795832), (186, 705980), (220, 596874), (248, 529485), (264, 497395), (310, 423588), (330, 397916), (341, 385080), (372, 352990), (440, 298437), (465, 282392), (620, 211794), (660, 198958), (682, 192540), (744, 176495), (930, 141196), (1023, 128360), (1240, 105897), (1320, 99479), (1364, 96270), (1705, 77016), (1860, 70598), (2046, 64180), (2728, 48135), (3209, 40920), (3410, 38508), (3720, 35299), (4092, 32090), (5115, 25672), (6418, 20460), (6820, 19254), (8184, 16045), (9627, 13640), (10230, 12836)]