121212120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 374984640

約数和(自身を除く): 253772520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 101, 120, 137, 146, 202, 219, 274, 292, 303, 365, 404, 411, 438, 505, 548, 584, 606, 685, 730, 808, 822, 876, 1010, 1095, 1096, 1212, 1370, 1460, 1515, 1644, 1752, 2020, 2055, 2190, 2424, 2740, 2920, 3030, 3288, 4040, 4110, 4380, 5480, 6060, 7373, 8220, 8760, 10001, 12120, 13837, 14746, 16440, 20002, 22119, 27674, 29492, 30003, 36865, 40004, 41511, 44238, 50005, 55348, 58984, 60006, 69185, 73730, 80008, 83022, 88476, 100010, 110595, 110696, 120012, 138370, 147460, 150015, 166044, 176952, 200020, 207555, 221190, 240024, 276740, 294920, 300030, 332088, 400040, 415110, 442380, 553480, 600060, 830220, 884760, 1010101, 1200120, 1660440, 2020202, 3030303, 4040404, 5050505, 6060606, 8080808, 10101010, 12121212, 15151515, 20202020, 24242424, 30303030, 40404040, 60606060, 121212120]

約数ペア:

[(1, 121212120), (2, 60606060), (3, 40404040), (4, 30303030), (5, 24242424), (6, 20202020), (8, 15151515), (10, 12121212), (12, 10101010), (15, 8080808), (20, 6060606), (24, 5050505), (30, 4040404), (40, 3030303), (60, 2020202), (73, 1660440), (101, 1200120), (120, 1010101), (137, 884760), (146, 830220), (202, 600060), (219, 553480), (274, 442380), (292, 415110), (303, 400040), (365, 332088), (404, 300030), (411, 294920), (438, 276740), (505, 240024), (548, 221190), (584, 207555), (606, 200020), (685, 176952), (730, 166044), (808, 150015), (822, 147460), (876, 138370), (1010, 120012), (1095, 110696), (1096, 110595), (1212, 100010), (1370, 88476), (1460, 83022), (1515, 80008), (1644, 73730), (1752, 69185), (2020, 60006), (2055, 58984), (2190, 55348), (2424, 50005), (2740, 44238), (2920, 41511), (3030, 40004), (3288, 36865), (4040, 30003), (4110, 29492), (4380, 27674), (5480, 22119), (6060, 20002), (7373, 16440), (8220, 14746), (8760, 13837), (10001, 12120)]