21977178480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{121609}}^1$

素因数の和:121879

約数の個数: 120

約数和(自身を含む): 74101350960

約数和(自身を除く): 52124172480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 251, 360, 502, 720, 753, 1004, 1255, 1506, 2008, 2259, 2510, 3012, 3765, 4016, 4518, 5020, 6024, 7530, 9036, 10040, 11295, 12048, 15060, 18072, 20080, 22590, 30120, 36144, 45180, 60240, 90360, 121609, 180720, 243218, 364827, 486436, 608045, 729654, 972872, 1094481, 1216090, 1459308, 1824135, 1945744, 2188962, 2432180, 2918616, 3648270, 4377924, 4864360, 5472405, 5837232, 7296540, 8755848, 9728720, 10944810, 14593080, 17511696, 21889620, 29186160, 30523859, 43779240, 61047718, 87558480, 91571577, 122095436, 152619295, 183143154, 244190872, 274714731, 305238590, 366286308, 457857885, 488381744, 549429462, 610477180, 732572616, 915715770, 1098858924, 1220954360, 1373573655, 1465145232, 1831431540, 2197717848, 2441908720, 2747147310, 3662863080, 4395435696, 5494294620, 7325726160, 10988589240, 21977178480]

約数ペア:

[(1, 21977178480), (2, 10988589240), (3, 7325726160), (4, 5494294620), (5, 4395435696), (6, 3662863080), (8, 2747147310), (9, 2441908720), (10, 2197717848), (12, 1831431540), (15, 1465145232), (16, 1373573655), (18, 1220954360), (20, 1098858924), (24, 915715770), (30, 732572616), (36, 610477180), (40, 549429462), (45, 488381744), (48, 457857885), (60, 366286308), (72, 305238590), (80, 274714731), (90, 244190872), (120, 183143154), (144, 152619295), (180, 122095436), (240, 91571577), (251, 87558480), (360, 61047718), (502, 43779240), (720, 30523859), (753, 29186160), (1004, 21889620), (1255, 17511696), (1506, 14593080), (2008, 10944810), (2259, 9728720), (2510, 8755848), (3012, 7296540), (3765, 5837232), (4016, 5472405), (4518, 4864360), (5020, 4377924), (6024, 3648270), (7530, 2918616), (9036, 2432180), (10040, 2188962), (11295, 1945744), (12048, 1824135), (15060, 1459308), (18072, 1216090), (20080, 1094481), (22590, 972872), (30120, 729654), (36144, 608045), (45180, 486436), (60240, 364827), (90360, 243218), (121609, 180720)]