66780960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 144

約数和(自身を含む): 220739904

約数和(自身を除く): 153958944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 263, 276, 345, 368, 460, 480, 526, 529, 552, 690, 736, 789, 920, 1052, 1058, 1104, 1315, 1380, 1578, 1587, 1840, 2104, 2116, 2208, 2630, 2645, 2760, 3156, 3174, 3680, 3945, 4208, 4232, 5260, 5290, 5520, 6049, 6312, 6348, 7890, 7935, 8416, 8464, 10520, 10580, 11040, 12098, 12624, 12696, 15780, 15870, 16928, 18147, 21040, 21160, 24196, 25248, 25392, 30245, 31560, 31740, 36294, 42080, 42320, 48392, 50784, 60490, 63120, 63480, 72588, 84640, 90735, 96784, 120980, 126240, 126960, 139127, 145176, 181470, 193568, 241960, 253920, 278254, 290352, 362940, 417381, 483920, 556508, 580704, 695635, 725880, 834762, 967840, 1113016, 1391270, 1451760, 1669524, 2086905, 2226032, 2782540, 2903520, 3339048, 4173810, 4452064, 5565080, 6678096, 8347620, 11130160, 13356192, 16695240, 22260320, 33390480, 66780960]

約数ペア:

[(1, 66780960), (2, 33390480), (3, 22260320), (4, 16695240), (5, 13356192), (6, 11130160), (8, 8347620), (10, 6678096), (12, 5565080), (15, 4452064), (16, 4173810), (20, 3339048), (23, 2903520), (24, 2782540), (30, 2226032), (32, 2086905), (40, 1669524), (46, 1451760), (48, 1391270), (60, 1113016), (69, 967840), (80, 834762), (92, 725880), (96, 695635), (115, 580704), (120, 556508), (138, 483920), (160, 417381), (184, 362940), (230, 290352), (240, 278254), (263, 253920), (276, 241960), (345, 193568), (368, 181470), (460, 145176), (480, 139127), (526, 126960), (529, 126240), (552, 120980), (690, 96784), (736, 90735), (789, 84640), (920, 72588), (1052, 63480), (1058, 63120), (1104, 60490), (1315, 50784), (1380, 48392), (1578, 42320), (1587, 42080), (1840, 36294), (2104, 31740), (2116, 31560), (2208, 30245), (2630, 25392), (2645, 25248), (2760, 24196), (3156, 21160), (3174, 21040), (3680, 18147), (3945, 16928), (4208, 15870), (4232, 15780), (5260, 12696), (5290, 12624), (5520, 12098), (6049, 11040), (6312, 10580), (6348, 10520), (7890, 8464), (7935, 8416)]