645132240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2707}}^1$

素因数の和:3057

約数の個数: 120

約数和(自身を含む): 2173917408

約数和(自身を除く): 1528785168

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 331, 360, 662, 720, 993, 1324, 1655, 1986, 2648, 2707, 2979, 3310, 3972, 4965, 5296, 5414, 5958, 6620, 7944, 8121, 9930, 10828, 11916, 13240, 13535, 14895, 15888, 16242, 19860, 21656, 23832, 24363, 26480, 27070, 29790, 32484, 39720, 40605, 43312, 47664, 48726, 54140, 59580, 64968, 79440, 81210, 97452, 108280, 119160, 121815, 129936, 162420, 194904, 216560, 238320, 243630, 324840, 389808, 487260, 649680, 896017, 974520, 1792034, 1949040, 2688051, 3584068, 4480085, 5376102, 7168136, 8064153, 8960170, 10752204, 13440255, 14336272, 16128306, 17920340, 21504408, 26880510, 32256612, 35840680, 40320765, 43008816, 53761020, 64513224, 71681360, 80641530, 107522040, 129026448, 161283060, 215044080, 322566120, 645132240]

約数ペア:

[(1, 645132240), (2, 322566120), (3, 215044080), (4, 161283060), (5, 129026448), (6, 107522040), (8, 80641530), (9, 71681360), (10, 64513224), (12, 53761020), (15, 43008816), (16, 40320765), (18, 35840680), (20, 32256612), (24, 26880510), (30, 21504408), (36, 17920340), (40, 16128306), (45, 14336272), (48, 13440255), (60, 10752204), (72, 8960170), (80, 8064153), (90, 7168136), (120, 5376102), (144, 4480085), (180, 3584068), (240, 2688051), (331, 1949040), (360, 1792034), (662, 974520), (720, 896017), (993, 649680), (1324, 487260), (1655, 389808), (1986, 324840), (2648, 243630), (2707, 238320), (2979, 216560), (3310, 194904), (3972, 162420), (4965, 129936), (5296, 121815), (5414, 119160), (5958, 108280), (6620, 97452), (7944, 81210), (8121, 79440), (9930, 64968), (10828, 59580), (11916, 54140), (13240, 48726), (13535, 47664), (14895, 43312), (15888, 40605), (16242, 39720), (19860, 32484), (21656, 29790), (23832, 27070), (24363, 26480)]