31697820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2287}}^1$

素因数の和:2320

約数の個数: 144

約数和(自身を含む): 119927808

約数和(自身を除く): 88229988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2287, 2310, 2772, 3465, 4574, 4620, 6861, 6930, 9148, 11435, 13722, 13860, 16009, 20583, 22870, 25157, 27444, 32018, 34305, 41166, 45740, 48027, 50314, 64036, 68610, 75471, 80045, 82332, 96054, 100628, 102915, 125785, 137220, 144081, 150942, 160090, 176099, 192108, 205830, 226413, 240135, 251570, 288162, 301884, 320180, 352198, 377355, 411660, 452826, 480270, 503140, 528297, 576324, 704396, 720405, 754710, 880495, 905652, 960540, 1056594, 1132065, 1440810, 1509420, 1584891, 1760990, 2113188, 2264130, 2641485, 2881620, 3169782, 3521980, 4528260, 5282970, 6339564, 7924455, 10565940, 15848910, 31697820]

約数ペア:

[(1, 31697820), (2, 15848910), (3, 10565940), (4, 7924455), (5, 6339564), (6, 5282970), (7, 4528260), (9, 3521980), (10, 3169782), (11, 2881620), (12, 2641485), (14, 2264130), (15, 2113188), (18, 1760990), (20, 1584891), (21, 1509420), (22, 1440810), (28, 1132065), (30, 1056594), (33, 960540), (35, 905652), (36, 880495), (42, 754710), (44, 720405), (45, 704396), (55, 576324), (60, 528297), (63, 503140), (66, 480270), (70, 452826), (77, 411660), (84, 377355), (90, 352198), (99, 320180), (105, 301884), (110, 288162), (126, 251570), (132, 240135), (140, 226413), (154, 205830), (165, 192108), (180, 176099), (198, 160090), (210, 150942), (220, 144081), (231, 137220), (252, 125785), (308, 102915), (315, 100628), (330, 96054), (385, 82332), (396, 80045), (420, 75471), (462, 68610), (495, 64036), (630, 50314), (660, 48027), (693, 45740), (770, 41166), (924, 34305), (990, 32018), (1155, 27444), (1260, 25157), (1386, 22870), (1540, 20583), (1980, 16009), (2287, 13860), (2310, 13722), (2772, 11435), (3465, 9148), (4574, 6930), (4620, 6861)]