820478520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{119953}}^1$

素因数の和:119989

約数の個数: 96

約数和(自身を含む): 2806923600

約数和(自身を除く): 1986445080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 119953, 239906, 359859, 479812, 599765, 719718, 959624, 1079577, 1199530, 1439436, 1799295, 2159154, 2279107, 2399060, 2878872, 3598590, 4318308, 4558214, 4798120, 5397885, 6837321, 7197180, 8636616, 9116428, 10795770, 11395535, 13674642, 14394360, 18232856, 20511963, 21591540, 22791070, 27349284, 34186605, 41023926, 43183080, 45582140, 54698568, 68373210, 82047852, 91164280, 102559815, 136746420, 164095704, 205119630, 273492840, 410239260, 820478520]

約数ペア:

[(1, 820478520), (2, 410239260), (3, 273492840), (4, 205119630), (5, 164095704), (6, 136746420), (8, 102559815), (9, 91164280), (10, 82047852), (12, 68373210), (15, 54698568), (18, 45582140), (19, 43183080), (20, 41023926), (24, 34186605), (30, 27349284), (36, 22791070), (38, 21591540), (40, 20511963), (45, 18232856), (57, 14394360), (60, 13674642), (72, 11395535), (76, 10795770), (90, 9116428), (95, 8636616), (114, 7197180), (120, 6837321), (152, 5397885), (171, 4798120), (180, 4558214), (190, 4318308), (228, 3598590), (285, 2878872), (342, 2399060), (360, 2279107), (380, 2159154), (456, 1799295), (570, 1439436), (684, 1199530), (760, 1079577), (855, 959624), (1140, 719718), (1368, 599765), (1710, 479812), (2280, 359859), (3420, 239906), (6840, 119953)]