427021280

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 1219276800

約数和(自身を除く): 792255520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 251, 280, 310, 343, 392, 434, 490, 496, 502, 560, 620, 686, 784, 868, 980, 992, 1004, 1085, 1120, 1240, 1255, 1372, 1519, 1568, 1715, 1736, 1757, 1960, 2008, 2170, 2480, 2510, 2744, 3038, 3430, 3472, 3514, 3920, 4016, 4340, 4960, 5020, 5488, 6076, 6860, 6944, 7028, 7595, 7781, 7840, 8032, 8680, 8785, 10040, 10633, 10976, 12152, 12299, 13720, 14056, 15190, 15562, 17360, 17570, 20080, 21266, 24304, 24598, 27440, 28112, 30380, 31124, 34720, 35140, 38905, 40160, 42532, 48608, 49196, 53165, 54467, 54880, 56224, 60760, 61495, 62248, 70280, 77810, 85064, 86093, 98392, 106330, 108934, 121520, 122990, 124496, 140560, 155620, 170128, 172186, 196784, 212660, 217868, 243040, 245980, 248992, 272335, 281120, 311240, 340256, 344372, 381269, 393568, 425320, 430465, 435736, 491960, 544670, 622480, 688744, 762538, 850640, 860930, 871472, 983920, 1089340, 1244960, 1377488, 1525076, 1701280, 1721860, 1742944, 1906345, 1967840, 2178680, 2668883, 2754976, 3050152, 3443720, 3812690, 4357360, 5337766, 6100304, 6887440, 7625380, 8714720, 10675532, 12200608, 13344415, 13774880, 15250760, 21351064, 26688830, 30501520, 42702128, 53377660, 61003040, 85404256, 106755320, 213510640, 427021280]

約数ペア:

[(1, 427021280), (2, 213510640), (4, 106755320), (5, 85404256), (7, 61003040), (8, 53377660), (10, 42702128), (14, 30501520), (16, 26688830), (20, 21351064), (28, 15250760), (31, 13774880), (32, 13344415), (35, 12200608), (40, 10675532), (49, 8714720), (56, 7625380), (62, 6887440), (70, 6100304), (80, 5337766), (98, 4357360), (112, 3812690), (124, 3443720), (140, 3050152), (155, 2754976), (160, 2668883), (196, 2178680), (217, 1967840), (224, 1906345), (245, 1742944), (248, 1721860), (251, 1701280), (280, 1525076), (310, 1377488), (343, 1244960), (392, 1089340), (434, 983920), (490, 871472), (496, 860930), (502, 850640), (560, 762538), (620, 688744), (686, 622480), (784, 544670), (868, 491960), (980, 435736), (992, 430465), (1004, 425320), (1085, 393568), (1120, 381269), (1240, 344372), (1255, 340256), (1372, 311240), (1519, 281120), (1568, 272335), (1715, 248992), (1736, 245980), (1757, 243040), (1960, 217868), (2008, 212660), (2170, 196784), (2480, 172186), (2510, 170128), (2744, 155620), (3038, 140560), (3430, 124496), (3472, 122990), (3514, 121520), (3920, 108934), (4016, 106330), (4340, 98392), (4960, 86093), (5020, 85064), (5488, 77810), (6076, 70280), (6860, 62248), (6944, 61495), (7028, 60760), (7595, 56224), (7781, 54880), (7840, 54467), (8032, 53165), (8680, 49196), (8785, 48608), (10040, 42532), (10633, 40160), (10976, 38905), (12152, 35140), (12299, 34720), (13720, 31124), (14056, 30380), (15190, 28112), (15562, 27440), (17360, 24598), (17570, 24304), (20080, 21266)]