491947560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1017

約数の個数: 256

約数和(自身を含む): 1815609600

約数和(自身を除く): 1323662040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 37, 39, 40, 45, 52, 54, 60, 65, 72, 74, 78, 90, 104, 108, 111, 117, 120, 130, 135, 148, 156, 180, 185, 195, 216, 222, 234, 260, 270, 296, 312, 333, 351, 360, 370, 390, 444, 468, 481, 520, 540, 555, 585, 666, 702, 740, 780, 888, 936, 947, 962, 999, 1080, 1110, 1170, 1332, 1404, 1443, 1480, 1560, 1665, 1755, 1894, 1924, 1998, 2220, 2340, 2405, 2664, 2808, 2841, 2886, 3330, 3510, 3788, 3848, 3996, 4329, 4440, 4680, 4735, 4810, 4995, 5682, 5772, 6660, 7020, 7215, 7576, 7992, 8523, 8658, 9470, 9620, 9990, 11364, 11544, 12311, 12987, 13320, 14040, 14205, 14430, 17046, 17316, 18940, 19240, 19980, 21645, 22728, 24622, 25569, 25974, 28410, 28860, 34092, 34632, 35039, 36933, 37880, 39960, 42615, 43290, 49244, 51138, 51948, 56820, 57720, 61555, 64935, 68184, 70078, 73866, 85230, 86580, 98488, 102276, 103896, 105117, 110799, 113640, 123110, 127845, 129870, 140156, 147732, 170460, 173160, 175195, 184665, 204552, 210234, 221598, 246220, 255690, 259740, 280312, 295464, 315351, 332397, 340920, 350390, 369330, 420468, 443196, 455507, 492440, 511380, 519480, 525585, 553995, 630702, 664794, 700780, 738660, 840936, 886392, 911014, 946053, 1022760, 1051170, 1107990, 1261404, 1329588, 1366521, 1401560, 1477320, 1576755, 1661985, 1822028, 1892106, 2102340, 2215980, 2277535, 2522808, 2659176, 2733042, 3153510, 3323970, 3644056, 3784212, 4099563, 4204680, 4431960, 4555070, 4730265, 5466084, 6307020, 6647940, 6832605, 7568424, 8199126, 9110140, 9460530, 10932168, 12298689, 12614040, 13295880, 13665210, 16398252, 18220280, 18921060, 20497815, 24597378, 27330420, 32796504, 37842120, 40995630, 49194756, 54660840, 61493445, 81991260, 98389512, 122986890, 163982520, 245973780, 491947560]

約数ペア:

[(1, 491947560), (2, 245973780), (3, 163982520), (4, 122986890), (5, 98389512), (6, 81991260), (8, 61493445), (9, 54660840), (10, 49194756), (12, 40995630), (13, 37842120), (15, 32796504), (18, 27330420), (20, 24597378), (24, 20497815), (26, 18921060), (27, 18220280), (30, 16398252), (36, 13665210), (37, 13295880), (39, 12614040), (40, 12298689), (45, 10932168), (52, 9460530), (54, 9110140), (60, 8199126), (65, 7568424), (72, 6832605), (74, 6647940), (78, 6307020), (90, 5466084), (104, 4730265), (108, 4555070), (111, 4431960), (117, 4204680), (120, 4099563), (130, 3784212), (135, 3644056), (148, 3323970), (156, 3153510), (180, 2733042), (185, 2659176), (195, 2522808), (216, 2277535), (222, 2215980), (234, 2102340), (260, 1892106), (270, 1822028), (296, 1661985), (312, 1576755), (333, 1477320), (351, 1401560), (360, 1366521), (370, 1329588), (390, 1261404), (444, 1107990), (468, 1051170), (481, 1022760), (520, 946053), (540, 911014), (555, 886392), (585, 840936), (666, 738660), (702, 700780), (740, 664794), (780, 630702), (888, 553995), (936, 525585), (947, 519480), (962, 511380), (999, 492440), (1080, 455507), (1110, 443196), (1170, 420468), (1332, 369330), (1404, 350390), (1443, 340920), (1480, 332397), (1560, 315351), (1665, 295464), (1755, 280312), (1894, 259740), (1924, 255690), (1998, 246220), (2220, 221598), (2340, 210234), (2405, 204552), (2664, 184665), (2808, 175195), (2841, 173160), (2886, 170460), (3330, 147732), (3510, 140156), (3788, 129870), (3848, 127845), (3996, 123110), (4329, 113640), (4440, 110799), (4680, 105117), (4735, 103896), (4810, 102276), (4995, 98488), (5682, 86580), (5772, 85230), (6660, 73866), (7020, 70078), (7215, 68184), (7576, 64935), (7992, 61555), (8523, 57720), (8658, 56820), (9470, 51948), (9620, 51138), (9990, 49244), (11364, 43290), (11544, 42615), (12311, 39960), (12987, 37880), (13320, 36933), (14040, 35039), (14205, 34632), (14430, 34092), (17046, 28860), (17316, 28410), (18940, 25974), (19240, 25569), (19980, 24622), (21645, 22728)]