55521990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 158976000

約数和(自身を除く): 103454010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 79, 90, 95, 114, 135, 137, 158, 171, 190, 237, 270, 274, 285, 342, 395, 411, 474, 513, 570, 685, 711, 790, 822, 855, 1026, 1185, 1233, 1370, 1422, 1501, 1710, 2055, 2133, 2370, 2466, 2565, 2603, 3002, 3555, 3699, 4110, 4266, 4503, 5130, 5206, 6165, 7110, 7398, 7505, 7809, 9006, 10665, 10823, 12330, 13015, 13509, 15010, 15618, 18495, 21330, 21646, 22515, 23427, 26030, 27018, 32469, 36990, 39045, 40527, 45030, 46854, 54115, 64938, 67545, 70281, 78090, 81054, 97407, 108230, 117135, 135090, 140562, 162345, 194814, 202635, 205637, 234270, 292221, 324690, 351405, 405270, 411274, 487035, 584442, 616911, 702810, 974070, 1028185, 1233822, 1461105, 1850733, 2056370, 2922210, 3084555, 3701466, 5552199, 6169110, 9253665, 11104398, 18507330, 27760995, 55521990]

約数ペア:

[(1, 55521990), (2, 27760995), (3, 18507330), (5, 11104398), (6, 9253665), (9, 6169110), (10, 5552199), (15, 3701466), (18, 3084555), (19, 2922210), (27, 2056370), (30, 1850733), (38, 1461105), (45, 1233822), (54, 1028185), (57, 974070), (79, 702810), (90, 616911), (95, 584442), (114, 487035), (135, 411274), (137, 405270), (158, 351405), (171, 324690), (190, 292221), (237, 234270), (270, 205637), (274, 202635), (285, 194814), (342, 162345), (395, 140562), (411, 135090), (474, 117135), (513, 108230), (570, 97407), (685, 81054), (711, 78090), (790, 70281), (822, 67545), (855, 64938), (1026, 54115), (1185, 46854), (1233, 45030), (1370, 40527), (1422, 39045), (1501, 36990), (1710, 32469), (2055, 27018), (2133, 26030), (2370, 23427), (2466, 22515), (2565, 21646), (2603, 21330), (3002, 18495), (3555, 15618), (3699, 15010), (4110, 13509), (4266, 13015), (4503, 12330), (5130, 10823), (5206, 10665), (6165, 9006), (7110, 7809), (7398, 7505)]