217445760

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{5393}}^1$

素因数の和:5425

約数の個数: 192

約数和(自身を含む): 858293280

約数和(自身を除く): 640847520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 960, 1008, 1120, 1152, 1260, 1344, 1440, 1680, 1920, 2016, 2240, 2520, 2688, 2880, 3360, 4032, 4480, 5040, 5393, 5760, 6720, 8064, 10080, 10786, 13440, 16179, 20160, 21572, 26965, 32358, 37751, 40320, 43144, 48537, 53930, 64716, 75502, 80895, 86288, 97074, 107860, 113253, 129432, 151004, 161790, 172576, 188755, 194148, 215720, 226506, 242685, 258864, 302008, 323580, 339759, 345152, 377510, 388296, 431440, 453012, 485370, 517728, 566265, 604016, 647160, 679518, 690304, 755020, 776592, 862880, 906024, 970740, 1035456, 1132530, 1208032, 1294320, 1359036, 1510040, 1553184, 1698795, 1725760, 1812048, 1941480, 2070912, 2265060, 2416064, 2588640, 2718072, 3020080, 3106368, 3397590, 3451520, 3624096, 3882960, 4530120, 4832128, 5177280, 5436144, 6040160, 6212736, 6795180, 7248192, 7765920, 9060240, 10354560, 10872288, 12080320, 13590360, 14496384, 15531840, 18120480, 21744576, 24160640, 27180720, 31063680, 36240960, 43489152, 54361440, 72481920, 108722880, 217445760]

約数ペア:

[(1, 217445760), (2, 108722880), (3, 72481920), (4, 54361440), (5, 43489152), (6, 36240960), (7, 31063680), (8, 27180720), (9, 24160640), (10, 21744576), (12, 18120480), (14, 15531840), (15, 14496384), (16, 13590360), (18, 12080320), (20, 10872288), (21, 10354560), (24, 9060240), (28, 7765920), (30, 7248192), (32, 6795180), (35, 6212736), (36, 6040160), (40, 5436144), (42, 5177280), (45, 4832128), (48, 4530120), (56, 3882960), (60, 3624096), (63, 3451520), (64, 3397590), (70, 3106368), (72, 3020080), (80, 2718072), (84, 2588640), (90, 2416064), (96, 2265060), (105, 2070912), (112, 1941480), (120, 1812048), (126, 1725760), (128, 1698795), (140, 1553184), (144, 1510040), (160, 1359036), (168, 1294320), (180, 1208032), (192, 1132530), (210, 1035456), (224, 970740), (240, 906024), (252, 862880), (280, 776592), (288, 755020), (315, 690304), (320, 679518), (336, 647160), (360, 604016), (384, 566265), (420, 517728), (448, 485370), (480, 453012), (504, 431440), (560, 388296), (576, 377510), (630, 345152), (640, 339759), (672, 323580), (720, 302008), (840, 258864), (896, 242685), (960, 226506), (1008, 215720), (1120, 194148), (1152, 188755), (1260, 172576), (1344, 161790), (1440, 151004), (1680, 129432), (1920, 113253), (2016, 107860), (2240, 97074), (2520, 86288), (2688, 80895), (2880, 75502), (3360, 64716), (4032, 53930), (4480, 48537), (5040, 43144), (5393, 40320), (5760, 37751), (6720, 32358), (8064, 26965), (10080, 21572), (10786, 20160), (13440, 16179)]