66161880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61261}}^1$

素因数の和:61281

約数の個数: 64

約数和(自身を含む): 220543200

約数和(自身を除く): 154381320

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, 61261, 122522, 183783, 245044, 306305, 367566, 490088, 551349, 612610, 735132, 918915, 1102698, 1225220, 1470264, 1654047, 1837830, 2205396, 2450440, 2756745, 3308094, 3675660, 4410792, 5513490, 6616188, 7351320, 8270235, 11026980, 13232376, 16540470, 22053960, 33080940, 66161880]

約数ペア:

[(1, 66161880), (2, 33080940), (3, 22053960), (4, 16540470), (5, 13232376), (6, 11026980), (8, 8270235), (9, 7351320), (10, 6616188), (12, 5513490), (15, 4410792), (18, 3675660), (20, 3308094), (24, 2756745), (27, 2450440), (30, 2205396), (36, 1837830), (40, 1654047), (45, 1470264), (54, 1225220), (60, 1102698), (72, 918915), (90, 735132), (108, 612610), (120, 551349), (135, 490088), (180, 367566), (216, 306305), (270, 245044), (360, 183783), (540, 122522), (1080, 61261)]