8405220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 25361280

約数和(自身を除く): 16956060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 73, 76, 95, 101, 114, 146, 190, 202, 219, 228, 285, 292, 303, 365, 380, 404, 438, 505, 570, 606, 730, 876, 1010, 1095, 1140, 1212, 1387, 1460, 1515, 1919, 2020, 2190, 2774, 3030, 3838, 4161, 4380, 5548, 5757, 6060, 6935, 7373, 7676, 8322, 9595, 11514, 13870, 14746, 16644, 19190, 20805, 22119, 23028, 27740, 28785, 29492, 36865, 38380, 41610, 44238, 57570, 73730, 83220, 88476, 110595, 115140, 140087, 147460, 221190, 280174, 420261, 442380, 560348, 700435, 840522, 1400870, 1681044, 2101305, 2801740, 4202610, 8405220]

約数ペア:

[(1, 8405220), (2, 4202610), (3, 2801740), (4, 2101305), (5, 1681044), (6, 1400870), (10, 840522), (12, 700435), (15, 560348), (19, 442380), (20, 420261), (30, 280174), (38, 221190), (57, 147460), (60, 140087), (73, 115140), (76, 110595), (95, 88476), (101, 83220), (114, 73730), (146, 57570), (190, 44238), (202, 41610), (219, 38380), (228, 36865), (285, 29492), (292, 28785), (303, 27740), (365, 23028), (380, 22119), (404, 20805), (438, 19190), (505, 16644), (570, 14746), (606, 13870), (730, 11514), (876, 9595), (1010, 8322), (1095, 7676), (1140, 7373), (1212, 6935), (1387, 6060), (1460, 5757), (1515, 5548), (1919, 4380), (2020, 4161), (2190, 3838), (2774, 3030)]