77728680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71971}}^1$

素因数の和:71991

約数の個数: 64

約数和(自身を含む): 259099200

約数和(自身を除く): 181370520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 71971, 143942, 215913, 287884, 359855, 431826, 575768, 647739, 719710, 863652, 1079565, 1295478, 1439420, 1727304, 1943217, 2159130, 2590956, 2878840, 3238695, 3886434, 4318260, 5181912, 6477390, 7772868, 8636520, 9716085, 12954780, 15545736, 19432170, 25909560, 38864340, 77728680]

約数ペア:

[(1, 77728680), (2, 38864340), (3, 25909560), (4, 19432170), (5, 15545736), (6, 12954780), (8, 9716085), (9, 8636520), (10, 7772868), (12, 6477390), (15, 5181912), (18, 4318260), (20, 3886434), (24, 3238695), (27, 2878840), (30, 2590956), (36, 2159130), (40, 1943217), (45, 1727304), (54, 1439420), (60, 1295478), (72, 1079565), (90, 863652), (108, 719710), (120, 647739), (135, 575768), (180, 431826), (216, 359855), (270, 287884), (360, 215913), (540, 143942), (1080, 71971)]