21309480

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6577}}^1$

素因数の和:6600

約数の個数: 80

約数和(自身を含む): 71634420

約数和(自身を除く): 50324940

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, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6577, 13154, 19731, 26308, 32885, 39462, 52616, 59193, 65770, 78924, 98655, 118386, 131540, 157848, 177579, 197310, 236772, 263080, 295965, 355158, 394620, 473544, 532737, 591930, 710316, 789240, 887895, 1065474, 1183860, 1420632, 1775790, 2130948, 2367720, 2663685, 3551580, 4261896, 5327370, 7103160, 10654740, 21309480]

約数ペア:

[(1, 21309480), (2, 10654740), (3, 7103160), (4, 5327370), (5, 4261896), (6, 3551580), (8, 2663685), (9, 2367720), (10, 2130948), (12, 1775790), (15, 1420632), (18, 1183860), (20, 1065474), (24, 887895), (27, 789240), (30, 710316), (36, 591930), (40, 532737), (45, 473544), (54, 394620), (60, 355158), (72, 295965), (81, 263080), (90, 236772), (108, 197310), (120, 177579), (135, 157848), (162, 131540), (180, 118386), (216, 98655), (270, 78924), (324, 65770), (360, 59193), (405, 52616), (540, 39462), (648, 32885), (810, 26308), (1080, 19731), (1620, 13154), (3240, 6577)]