78943480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 192

約数和(自身を含む): 237012480

約数和(自身を除く): 158069000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 71, 76, 77, 88, 95, 110, 133, 140, 142, 152, 154, 190, 209, 220, 266, 280, 284, 308, 355, 361, 380, 385, 418, 440, 497, 532, 568, 616, 665, 710, 722, 760, 770, 781, 836, 994, 1045, 1064, 1330, 1349, 1420, 1444, 1463, 1540, 1562, 1672, 1805, 1988, 2090, 2485, 2527, 2660, 2698, 2840, 2888, 2926, 3080, 3124, 3610, 3905, 3971, 3976, 4180, 4970, 5054, 5320, 5396, 5467, 5852, 6248, 6745, 7220, 7315, 7810, 7942, 8360, 9443, 9940, 10108, 10792, 10934, 11704, 12635, 13490, 14440, 14630, 14839, 15620, 15884, 18886, 19855, 19880, 20216, 21868, 25270, 25631, 26980, 27335, 27797, 29260, 29678, 31240, 31768, 37772, 39710, 43736, 47215, 50540, 51262, 53960, 54670, 55594, 58520, 59356, 74195, 75544, 79420, 94430, 101080, 102524, 103873, 109340, 111188, 118712, 128155, 138985, 148390, 158840, 179417, 188860, 205048, 207746, 218680, 222376, 256310, 277970, 281941, 296780, 358834, 377720, 415492, 512620, 519365, 555940, 563882, 593560, 717668, 830984, 897085, 1025240, 1038730, 1111880, 1127764, 1409705, 1435336, 1794170, 1973587, 2077460, 2255528, 2819410, 3588340, 3947174, 4154920, 5638820, 7176680, 7894348, 9867935, 11277640, 15788696, 19735870, 39471740, 78943480]

約数ペア:

[(1, 78943480), (2, 39471740), (4, 19735870), (5, 15788696), (7, 11277640), (8, 9867935), (10, 7894348), (11, 7176680), (14, 5638820), (19, 4154920), (20, 3947174), (22, 3588340), (28, 2819410), (35, 2255528), (38, 2077460), (40, 1973587), (44, 1794170), (55, 1435336), (56, 1409705), (70, 1127764), (71, 1111880), (76, 1038730), (77, 1025240), (88, 897085), (95, 830984), (110, 717668), (133, 593560), (140, 563882), (142, 555940), (152, 519365), (154, 512620), (190, 415492), (209, 377720), (220, 358834), (266, 296780), (280, 281941), (284, 277970), (308, 256310), (355, 222376), (361, 218680), (380, 207746), (385, 205048), (418, 188860), (440, 179417), (497, 158840), (532, 148390), (568, 138985), (616, 128155), (665, 118712), (710, 111188), (722, 109340), (760, 103873), (770, 102524), (781, 101080), (836, 94430), (994, 79420), (1045, 75544), (1064, 74195), (1330, 59356), (1349, 58520), (1420, 55594), (1444, 54670), (1463, 53960), (1540, 51262), (1562, 50540), (1672, 47215), (1805, 43736), (1988, 39710), (2090, 37772), (2485, 31768), (2527, 31240), (2660, 29678), (2698, 29260), (2840, 27797), (2888, 27335), (2926, 26980), (3080, 25631), (3124, 25270), (3610, 21868), (3905, 20216), (3971, 19880), (3976, 19855), (4180, 18886), (4970, 15884), (5054, 15620), (5320, 14839), (5396, 14630), (5467, 14440), (5852, 13490), (6248, 12635), (6745, 11704), (7220, 10934), (7315, 10792), (7810, 10108), (7942, 9940), (8360, 9443)]