646607520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2657}}^1$

素因数の和:2704

約数の個数: 216

約数和(自身を含む): 2390238396

約数和(自身を除く): 1743630876

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1352, 1440, 1521, 1560, 1690, 1872, 2028, 2080, 2340, 2535, 2657, 2704, 3042, 3120, 3380, 3744, 4056, 4680, 5070, 5314, 5408, 6084, 6240, 6760, 7605, 7971, 8112, 9360, 10140, 10628, 12168, 13285, 13520, 15210, 15942, 16224, 18720, 20280, 21256, 23913, 24336, 26570, 27040, 30420, 31884, 34541, 39855, 40560, 42512, 47826, 48672, 53140, 60840, 63768, 69082, 79710, 81120, 85024, 95652, 103623, 106280, 119565, 121680, 127536, 138164, 159420, 172705, 191304, 207246, 212560, 239130, 243360, 255072, 276328, 310869, 318840, 345410, 382608, 414492, 425120, 449033, 478260, 518115, 552656, 621738, 637680, 690820, 765216, 828984, 898066, 956520, 1036230, 1105312, 1243476, 1275360, 1347099, 1381640, 1554345, 1657968, 1796132, 1913040, 2072460, 2245165, 2486952, 2694198, 2763280, 3108690, 3315936, 3592264, 3826080, 4041297, 4144920, 4490330, 4973904, 5388396, 5526560, 6217380, 6735495, 7184528, 8082594, 8289840, 8980660, 9947808, 10776792, 12434760, 13470990, 14369056, 16165188, 16579680, 17961320, 20206485, 21553584, 24869520, 26941980, 32330376, 35922640, 40412970, 43107168, 49739040, 53883960, 64660752, 71845280, 80825940, 107767920, 129321504, 161651880, 215535840, 323303760, 646607520]

約数ペア:

[(1, 646607520), (2, 323303760), (3, 215535840), (4, 161651880), (5, 129321504), (6, 107767920), (8, 80825940), (9, 71845280), (10, 64660752), (12, 53883960), (13, 49739040), (15, 43107168), (16, 40412970), (18, 35922640), (20, 32330376), (24, 26941980), (26, 24869520), (30, 21553584), (32, 20206485), (36, 17961320), (39, 16579680), (40, 16165188), (45, 14369056), (48, 13470990), (52, 12434760), (60, 10776792), (65, 9947808), (72, 8980660), (78, 8289840), (80, 8082594), (90, 7184528), (96, 6735495), (104, 6217380), (117, 5526560), (120, 5388396), (130, 4973904), (144, 4490330), (156, 4144920), (160, 4041297), (169, 3826080), (180, 3592264), (195, 3315936), (208, 3108690), (234, 2763280), (240, 2694198), (260, 2486952), (288, 2245165), (312, 2072460), (338, 1913040), (360, 1796132), (390, 1657968), (416, 1554345), (468, 1381640), (480, 1347099), (507, 1275360), (520, 1243476), (585, 1105312), (624, 1036230), (676, 956520), (720, 898066), (780, 828984), (845, 765216), (936, 690820), (1014, 637680), (1040, 621738), (1170, 552656), (1248, 518115), (1352, 478260), (1440, 449033), (1521, 425120), (1560, 414492), (1690, 382608), (1872, 345410), (2028, 318840), (2080, 310869), (2340, 276328), (2535, 255072), (2657, 243360), (2704, 239130), (3042, 212560), (3120, 207246), (3380, 191304), (3744, 172705), (4056, 159420), (4680, 138164), (5070, 127536), (5314, 121680), (5408, 119565), (6084, 106280), (6240, 103623), (6760, 95652), (7605, 85024), (7971, 81120), (8112, 79710), (9360, 69082), (10140, 63768), (10628, 60840), (12168, 53140), (13285, 48672), (13520, 47826), (15210, 42512), (15942, 40560), (16224, 39855), (18720, 34541), (20280, 31884), (21256, 30420), (23913, 27040), (24336, 26570)]