213426320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2099}}^1$

素因数の和:2184

約数の個数: 80

約数和(自身を含む): 524966400

約数和(自身を除く): 311540080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2099, 2480, 2542, 3280, 4198, 5084, 6355, 8396, 10168, 10495, 12710, 16792, 20336, 20990, 25420, 33584, 41980, 50840, 65069, 83960, 86059, 101680, 130138, 167920, 172118, 260276, 325345, 344236, 430295, 520552, 650690, 688472, 860590, 1041104, 1301380, 1376944, 1721180, 2602760, 2667829, 3442360, 5205520, 5335658, 6884720, 10671316, 13339145, 21342632, 26678290, 42685264, 53356580, 106713160, 213426320]

約数ペア:

[(1, 213426320), (2, 106713160), (4, 53356580), (5, 42685264), (8, 26678290), (10, 21342632), (16, 13339145), (20, 10671316), (31, 6884720), (40, 5335658), (41, 5205520), (62, 3442360), (80, 2667829), (82, 2602760), (124, 1721180), (155, 1376944), (164, 1301380), (205, 1041104), (248, 860590), (310, 688472), (328, 650690), (410, 520552), (496, 430295), (620, 344236), (656, 325345), (820, 260276), (1240, 172118), (1271, 167920), (1640, 130138), (2099, 101680), (2480, 86059), (2542, 83960), (3280, 65069), (4198, 50840), (5084, 41980), (6355, 33584), (8396, 25420), (10168, 20990), (10495, 20336), (12710, 16792)]