2015296880

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 4736452800

約数和(自身を除く): 2721155920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 277, 398, 457, 554, 796, 914, 995, 1108, 1385, 1592, 1828, 1990, 2216, 2285, 2770, 3184, 3656, 3980, 4432, 4570, 5540, 7312, 7960, 9140, 11080, 15920, 18280, 22160, 36560, 55123, 90943, 110246, 126589, 181886, 220492, 253178, 275615, 363772, 440984, 454715, 506356, 551230, 632945, 727544, 881968, 909430, 1012712, 1102460, 1265890, 1455088, 1818860, 2025424, 2204920, 2531780, 3637720, 4409840, 5063560, 7275440, 10127120, 25191211, 50382422, 100764844, 125956055, 201529688, 251912110, 403059376, 503824220, 1007648440, 2015296880]

約数ペア:

[(1, 2015296880), (2, 1007648440), (4, 503824220), (5, 403059376), (8, 251912110), (10, 201529688), (16, 125956055), (20, 100764844), (40, 50382422), (80, 25191211), (199, 10127120), (277, 7275440), (398, 5063560), (457, 4409840), (554, 3637720), (796, 2531780), (914, 2204920), (995, 2025424), (1108, 1818860), (1385, 1455088), (1592, 1265890), (1828, 1102460), (1990, 1012712), (2216, 909430), (2285, 881968), (2770, 727544), (3184, 632945), (3656, 551230), (3980, 506356), (4432, 454715), (4570, 440984), (5540, 363772), (7312, 275615), (7960, 253178), (9140, 220492), (11080, 181886), (15920, 126589), (18280, 110246), (22160, 90943), (36560, 55123)]