1236721320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:560

約数の個数: 192

約数和(自身を含む): 4120272000

約数和(自身を除く): 2883550680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 199, 244, 283, 305, 360, 366, 398, 488, 549, 566, 597, 610, 732, 796, 849, 915, 995, 1098, 1132, 1194, 1220, 1415, 1464, 1592, 1698, 1791, 1830, 1990, 2196, 2264, 2388, 2440, 2547, 2745, 2830, 2985, 3396, 3582, 3660, 3980, 4245, 4392, 4776, 5094, 5490, 5660, 5970, 6792, 7164, 7320, 7960, 8490, 8955, 10188, 10980, 11320, 11940, 12139, 12735, 14328, 16980, 17263, 17910, 20376, 21960, 23880, 24278, 25470, 33960, 34526, 35820, 36417, 48556, 50940, 51789, 56317, 60695, 69052, 71640, 72834, 86315, 97112, 101880, 103578, 109251, 112634, 121390, 138104, 145668, 155367, 168951, 172630, 182085, 207156, 218502, 225268, 242780, 258945, 281585, 291336, 310734, 337902, 345260, 364170, 414312, 437004, 450536, 485560, 506853, 517890, 546255, 563170, 621468, 675804, 690520, 728340, 776835, 844755, 874008, 1013706, 1035780, 1092510, 1126340, 1242936, 1351608, 1456680, 1553670, 1689510, 2027412, 2071560, 2185020, 2252680, 2534265, 3107340, 3379020, 3435337, 4054824, 4370040, 5068530, 6214680, 6758040, 6870674, 10137060, 10306011, 13741348, 17176685, 20274120, 20612022, 27482696, 30918033, 34353370, 41224044, 51530055, 61836066, 68706740, 82448088, 103060110, 123672132, 137413480, 154590165, 206120220, 247344264, 309180330, 412240440, 618360660, 1236721320]

約数ペア:

[(1, 1236721320), (2, 618360660), (3, 412240440), (4, 309180330), (5, 247344264), (6, 206120220), (8, 154590165), (9, 137413480), (10, 123672132), (12, 103060110), (15, 82448088), (18, 68706740), (20, 61836066), (24, 51530055), (30, 41224044), (36, 34353370), (40, 30918033), (45, 27482696), (60, 20612022), (61, 20274120), (72, 17176685), (90, 13741348), (120, 10306011), (122, 10137060), (180, 6870674), (183, 6758040), (199, 6214680), (244, 5068530), (283, 4370040), (305, 4054824), (360, 3435337), (366, 3379020), (398, 3107340), (488, 2534265), (549, 2252680), (566, 2185020), (597, 2071560), (610, 2027412), (732, 1689510), (796, 1553670), (849, 1456680), (915, 1351608), (995, 1242936), (1098, 1126340), (1132, 1092510), (1194, 1035780), (1220, 1013706), (1415, 874008), (1464, 844755), (1592, 776835), (1698, 728340), (1791, 690520), (1830, 675804), (1990, 621468), (2196, 563170), (2264, 546255), (2388, 517890), (2440, 506853), (2547, 485560), (2745, 450536), (2830, 437004), (2985, 414312), (3396, 364170), (3582, 345260), (3660, 337902), (3980, 310734), (4245, 291336), (4392, 281585), (4776, 258945), (5094, 242780), (5490, 225268), (5660, 218502), (5970, 207156), (6792, 182085), (7164, 172630), (7320, 168951), (7960, 155367), (8490, 145668), (8955, 138104), (10188, 121390), (10980, 112634), (11320, 109251), (11940, 103578), (12139, 101880), (12735, 97112), (14328, 86315), (16980, 72834), (17263, 71640), (17910, 69052), (20376, 60695), (21960, 56317), (23880, 51789), (24278, 50940), (25470, 48556), (33960, 36417), (34526, 35820)]