221387040

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{7321}}^1$

素因数の和:7352

約数の個数: 192

約数和(自身を含む): 885669120

約数和(自身を除く): 664282080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7321, 7560, 10080, 14642, 15120, 21963, 29284, 30240, 36605, 43926, 51247, 58568, 65889, 73210, 87852, 102494, 109815, 117136, 131778, 146420, 153741, 175704, 197667, 204988, 219630, 234272, 256235, 263556, 292840, 307482, 329445, 351408, 395334, 409976, 439260, 461223, 512470, 527112, 585680, 614964, 658890, 702816, 768705, 790668, 819952, 878520, 922446, 988335, 1024940, 1054224, 1171360, 1229928, 1317780, 1383669, 1537410, 1581336, 1639904, 1757040, 1844892, 1976670, 2049880, 2108448, 2306115, 2459856, 2635560, 2767338, 3074820, 3162672, 3514080, 3689784, 3953340, 4099760, 4612230, 4919712, 5271120, 5534676, 6149640, 6325344, 6918345, 7379568, 7906680, 8199520, 9224460, 10542240, 11069352, 12299280, 13836690, 14759136, 15813360, 18448920, 22138704, 24598560, 27673380, 31626720, 36897840, 44277408, 55346760, 73795680, 110693520, 221387040]

約数ペア:

[(1, 221387040), (2, 110693520), (3, 73795680), (4, 55346760), (5, 44277408), (6, 36897840), (7, 31626720), (8, 27673380), (9, 24598560), (10, 22138704), (12, 18448920), (14, 15813360), (15, 14759136), (16, 13836690), (18, 12299280), (20, 11069352), (21, 10542240), (24, 9224460), (27, 8199520), (28, 7906680), (30, 7379568), (32, 6918345), (35, 6325344), (36, 6149640), (40, 5534676), (42, 5271120), (45, 4919712), (48, 4612230), (54, 4099760), (56, 3953340), (60, 3689784), (63, 3514080), (70, 3162672), (72, 3074820), (80, 2767338), (84, 2635560), (90, 2459856), (96, 2306115), (105, 2108448), (108, 2049880), (112, 1976670), (120, 1844892), (126, 1757040), (135, 1639904), (140, 1581336), (144, 1537410), (160, 1383669), (168, 1317780), (180, 1229928), (189, 1171360), (210, 1054224), (216, 1024940), (224, 988335), (240, 922446), (252, 878520), (270, 819952), (280, 790668), (288, 768705), (315, 702816), (336, 658890), (360, 614964), (378, 585680), (420, 527112), (432, 512470), (480, 461223), (504, 439260), (540, 409976), (560, 395334), (630, 351408), (672, 329445), (720, 307482), (756, 292840), (840, 263556), (864, 256235), (945, 234272), (1008, 219630), (1080, 204988), (1120, 197667), (1260, 175704), (1440, 153741), (1512, 146420), (1680, 131778), (1890, 117136), (2016, 109815), (2160, 102494), (2520, 87852), (3024, 73210), (3360, 65889), (3780, 58568), (4320, 51247), (5040, 43926), (6048, 36605), (7321, 30240), (7560, 29284), (10080, 21963), (14642, 15120)]