164624640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1064

約数の個数: 144

約数和(自身を含む): 538536768

約数和(自身を除く): 373912128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 256, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 768, 860, 960, 997, 1032, 1280, 1290, 1376, 1720, 1920, 1994, 2064, 2580, 2752, 2991, 3440, 3840, 3988, 4128, 4985, 5160, 5504, 5982, 6880, 7976, 8256, 9970, 10320, 11008, 11964, 13760, 14955, 15952, 16512, 19940, 20640, 23928, 27520, 29910, 31904, 33024, 39880, 41280, 42871, 47856, 55040, 59820, 63808, 79760, 82560, 85742, 95712, 119640, 127616, 128613, 159520, 165120, 171484, 191424, 214355, 239280, 255232, 257226, 319040, 342968, 382848, 428710, 478560, 514452, 638080, 643065, 685936, 765696, 857420, 957120, 1028904, 1276160, 1286130, 1371872, 1714840, 1914240, 2057808, 2572260, 2743744, 3429680, 3828480, 4115616, 5144520, 5487488, 6859360, 8231232, 10289040, 10974976, 13718720, 16462464, 20578080, 27437440, 32924928, 41156160, 54874880, 82312320, 164624640]

約数ペア:

[(1, 164624640), (2, 82312320), (3, 54874880), (4, 41156160), (5, 32924928), (6, 27437440), (8, 20578080), (10, 16462464), (12, 13718720), (15, 10974976), (16, 10289040), (20, 8231232), (24, 6859360), (30, 5487488), (32, 5144520), (40, 4115616), (43, 3828480), (48, 3429680), (60, 2743744), (64, 2572260), (80, 2057808), (86, 1914240), (96, 1714840), (120, 1371872), (128, 1286130), (129, 1276160), (160, 1028904), (172, 957120), (192, 857420), (215, 765696), (240, 685936), (256, 643065), (258, 638080), (320, 514452), (344, 478560), (384, 428710), (430, 382848), (480, 342968), (516, 319040), (640, 257226), (645, 255232), (688, 239280), (768, 214355), (860, 191424), (960, 171484), (997, 165120), (1032, 159520), (1280, 128613), (1290, 127616), (1376, 119640), (1720, 95712), (1920, 85742), (1994, 82560), (2064, 79760), (2580, 63808), (2752, 59820), (2991, 55040), (3440, 47856), (3840, 42871), (3988, 41280), (4128, 39880), (4985, 33024), (5160, 31904), (5504, 29910), (5982, 27520), (6880, 23928), (7976, 20640), (8256, 19940), (9970, 16512), (10320, 15952), (11008, 14955), (11964, 13760)]