81135840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:3992

約数の個数: 96

約数和(自身を含む): 261588096

約数和(自身を除く): 180452256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 3931, 4128, 5160, 6880, 7862, 10320, 11793, 15724, 19655, 20640, 23586, 31448, 39310, 47172, 58965, 62896, 78620, 94344, 117930, 125792, 157240, 169033, 188688, 235860, 314480, 338066, 377376, 471720, 507099, 628960, 676132, 845165, 943440, 1014198, 1352264, 1690330, 1886880, 2028396, 2535495, 2704528, 3380660, 4056792, 5070990, 5409056, 6761320, 8113584, 10141980, 13522640, 16227168, 20283960, 27045280, 40567920, 81135840]

約数ペア:

[(1, 81135840), (2, 40567920), (3, 27045280), (4, 20283960), (5, 16227168), (6, 13522640), (8, 10141980), (10, 8113584), (12, 6761320), (15, 5409056), (16, 5070990), (20, 4056792), (24, 3380660), (30, 2704528), (32, 2535495), (40, 2028396), (43, 1886880), (48, 1690330), (60, 1352264), (80, 1014198), (86, 943440), (96, 845165), (120, 676132), (129, 628960), (160, 507099), (172, 471720), (215, 377376), (240, 338066), (258, 314480), (344, 235860), (430, 188688), (480, 169033), (516, 157240), (645, 125792), (688, 117930), (860, 94344), (1032, 78620), (1290, 62896), (1376, 58965), (1720, 47172), (2064, 39310), (2580, 31448), (3440, 23586), (3931, 20640), (4128, 19655), (5160, 15724), (6880, 11793), (7862, 10320)]