217138880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:167

約数の個数: 224

約数和(自身を含む): 632033280

約数和(自身を除く): 414894400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 53, 56, 59, 62, 64, 70, 80, 106, 112, 118, 124, 140, 155, 160, 212, 217, 224, 236, 248, 265, 280, 295, 310, 320, 371, 413, 424, 434, 448, 472, 496, 530, 560, 590, 620, 742, 826, 848, 868, 944, 992, 1060, 1085, 1120, 1180, 1240, 1484, 1643, 1652, 1696, 1736, 1829, 1855, 1888, 1984, 2065, 2120, 2170, 2240, 2360, 2480, 2968, 3127, 3286, 3304, 3392, 3472, 3658, 3710, 3776, 4130, 4240, 4340, 4720, 4960, 5936, 6254, 6572, 6608, 6944, 7316, 7420, 8215, 8260, 8480, 8680, 9145, 9440, 9920, 11501, 11872, 12508, 12803, 13144, 13216, 13888, 14632, 14840, 15635, 16430, 16520, 16960, 17360, 18290, 18880, 21889, 23002, 23744, 25016, 25606, 26288, 26432, 29264, 29680, 31270, 32860, 33040, 34720, 36580, 43778, 46004, 50032, 51212, 52576, 57505, 58528, 59360, 62540, 64015, 65720, 66080, 69440, 73160, 87556, 92008, 96937, 100064, 102424, 105152, 109445, 115010, 117056, 118720, 125080, 128030, 131440, 132160, 146320, 175112, 184016, 193874, 200128, 204848, 218890, 230020, 250160, 256060, 262880, 292640, 350224, 368032, 387748, 409696, 437780, 460040, 484685, 500320, 512120, 525760, 585280, 678559, 700448, 736064, 775496, 819392, 875560, 920080, 969370, 1000640, 1024240, 1357118, 1400896, 1550992, 1751120, 1840160, 1938740, 2048480, 2714236, 3101984, 3392795, 3502240, 3680320, 3877480, 4096960, 5428472, 6203968, 6785590, 7004480, 7754960, 10856944, 13571180, 15509920, 21713888, 27142360, 31019840, 43427776, 54284720, 108569440, 217138880]

約数ペア:

[(1, 217138880), (2, 108569440), (4, 54284720), (5, 43427776), (7, 31019840), (8, 27142360), (10, 21713888), (14, 15509920), (16, 13571180), (20, 10856944), (28, 7754960), (31, 7004480), (32, 6785590), (35, 6203968), (40, 5428472), (53, 4096960), (56, 3877480), (59, 3680320), (62, 3502240), (64, 3392795), (70, 3101984), (80, 2714236), (106, 2048480), (112, 1938740), (118, 1840160), (124, 1751120), (140, 1550992), (155, 1400896), (160, 1357118), (212, 1024240), (217, 1000640), (224, 969370), (236, 920080), (248, 875560), (265, 819392), (280, 775496), (295, 736064), (310, 700448), (320, 678559), (371, 585280), (413, 525760), (424, 512120), (434, 500320), (448, 484685), (472, 460040), (496, 437780), (530, 409696), (560, 387748), (590, 368032), (620, 350224), (742, 292640), (826, 262880), (848, 256060), (868, 250160), (944, 230020), (992, 218890), (1060, 204848), (1085, 200128), (1120, 193874), (1180, 184016), (1240, 175112), (1484, 146320), (1643, 132160), (1652, 131440), (1696, 128030), (1736, 125080), (1829, 118720), (1855, 117056), (1888, 115010), (1984, 109445), (2065, 105152), (2120, 102424), (2170, 100064), (2240, 96937), (2360, 92008), (2480, 87556), (2968, 73160), (3127, 69440), (3286, 66080), (3304, 65720), (3392, 64015), (3472, 62540), (3658, 59360), (3710, 58528), (3776, 57505), (4130, 52576), (4240, 51212), (4340, 50032), (4720, 46004), (4960, 43778), (5936, 36580), (6254, 34720), (6572, 33040), (6608, 32860), (6944, 31270), (7316, 29680), (7420, 29264), (8215, 26432), (8260, 26288), (8480, 25606), (8680, 25016), (9145, 23744), (9440, 23002), (9920, 21889), (11501, 18880), (11872, 18290), (12508, 17360), (12803, 16960), (13144, 16520), (13216, 16430), (13888, 15635), (14632, 14840)]