68728320

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:205

約数の個数: 240

約数和(自身を含む): 252149040

約数和(自身を除く): 183420720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 157, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 314, 320, 342, 360, 380, 384, 456, 471, 480, 512, 570, 576, 608, 628, 640, 684, 720, 760, 768, 785, 855, 912, 942, 960, 1140, 1152, 1216, 1256, 1280, 1368, 1413, 1440, 1520, 1536, 1570, 1710, 1824, 1884, 1920, 2280, 2304, 2355, 2432, 2512, 2560, 2736, 2826, 2880, 2983, 3040, 3140, 3420, 3648, 3768, 3840, 4560, 4608, 4710, 4864, 5024, 5472, 5652, 5760, 5966, 6080, 6280, 6840, 7065, 7296, 7536, 7680, 8949, 9120, 9420, 9728, 10048, 10944, 11304, 11520, 11932, 12160, 12560, 13680, 14130, 14592, 14915, 15072, 17898, 18240, 18840, 20096, 21888, 22608, 23040, 23864, 24320, 25120, 26847, 27360, 28260, 29184, 29830, 30144, 35796, 36480, 37680, 40192, 43776, 44745, 45216, 47728, 48640, 50240, 53694, 54720, 56520, 59660, 60288, 71592, 72960, 75360, 80384, 87552, 89490, 90432, 95456, 100480, 107388, 109440, 113040, 119320, 120576, 134235, 143184, 145920, 150720, 178980, 180864, 190912, 200960, 214776, 218880, 226080, 238640, 241152, 268470, 286368, 301440, 357960, 361728, 381824, 401920, 429552, 437760, 452160, 477280, 536940, 572736, 602880, 715920, 723456, 763648, 859104, 904320, 954560, 1073880, 1145472, 1205760, 1431840, 1527296, 1718208, 1808640, 1909120, 2147760, 2290944, 2863680, 3436416, 3617280, 3818240, 4295520, 4581888, 5727360, 6872832, 7636480, 8591040, 11454720, 13745664, 17182080, 22909440, 34364160, 68728320]

約数ペア:

[(1, 68728320), (2, 34364160), (3, 22909440), (4, 17182080), (5, 13745664), (6, 11454720), (8, 8591040), (9, 7636480), (10, 6872832), (12, 5727360), (15, 4581888), (16, 4295520), (18, 3818240), (19, 3617280), (20, 3436416), (24, 2863680), (30, 2290944), (32, 2147760), (36, 1909120), (38, 1808640), (40, 1718208), (45, 1527296), (48, 1431840), (57, 1205760), (60, 1145472), (64, 1073880), (72, 954560), (76, 904320), (80, 859104), (90, 763648), (95, 723456), (96, 715920), (114, 602880), (120, 572736), (128, 536940), (144, 477280), (152, 452160), (157, 437760), (160, 429552), (171, 401920), (180, 381824), (190, 361728), (192, 357960), (228, 301440), (240, 286368), (256, 268470), (285, 241152), (288, 238640), (304, 226080), (314, 218880), (320, 214776), (342, 200960), (360, 190912), (380, 180864), (384, 178980), (456, 150720), (471, 145920), (480, 143184), (512, 134235), (570, 120576), (576, 119320), (608, 113040), (628, 109440), (640, 107388), (684, 100480), (720, 95456), (760, 90432), (768, 89490), (785, 87552), (855, 80384), (912, 75360), (942, 72960), (960, 71592), (1140, 60288), (1152, 59660), (1216, 56520), (1256, 54720), (1280, 53694), (1368, 50240), (1413, 48640), (1440, 47728), (1520, 45216), (1536, 44745), (1570, 43776), (1710, 40192), (1824, 37680), (1884, 36480), (1920, 35796), (2280, 30144), (2304, 29830), (2355, 29184), (2432, 28260), (2512, 27360), (2560, 26847), (2736, 25120), (2826, 24320), (2880, 23864), (2983, 23040), (3040, 22608), (3140, 21888), (3420, 20096), (3648, 18840), (3768, 18240), (3840, 17898), (4560, 15072), (4608, 14915), (4710, 14592), (4864, 14130), (5024, 13680), (5472, 12560), (5652, 12160), (5760, 11932), (5966, 11520), (6080, 11304), (6280, 10944), (6840, 10048), (7065, 9728), (7296, 9420), (7536, 9120), (7680, 8949)]