78794320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 221771520

約数和(自身を除く): 142977200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 80, 85, 88, 92, 110, 115, 136, 170, 176, 184, 187, 220, 229, 230, 253, 272, 340, 368, 374, 391, 440, 458, 460, 506, 680, 748, 782, 880, 916, 920, 935, 1012, 1145, 1265, 1360, 1496, 1564, 1832, 1840, 1870, 1955, 2024, 2290, 2519, 2530, 2992, 3128, 3664, 3740, 3893, 3910, 4048, 4301, 4580, 5038, 5060, 5267, 6256, 7480, 7786, 7820, 8602, 9160, 10076, 10120, 10534, 12595, 14960, 15572, 15640, 17204, 18320, 19465, 20152, 20240, 21068, 21505, 25190, 26335, 31144, 31280, 34408, 38930, 40304, 42136, 42823, 43010, 50380, 52670, 57937, 62288, 68816, 77860, 84272, 85646, 86020, 89539, 100760, 105340, 115874, 155720, 171292, 172040, 179078, 201520, 210680, 214115, 231748, 289685, 311440, 342584, 344080, 358156, 421360, 428230, 447695, 463496, 579370, 685168, 716312, 856460, 895390, 926992, 984929, 1158740, 1432624, 1712920, 1790780, 1969858, 2317480, 3425840, 3581560, 3939716, 4634960, 4924645, 7163120, 7879432, 9849290, 15758864, 19698580, 39397160, 78794320]

約数ペア:

[(1, 78794320), (2, 39397160), (4, 19698580), (5, 15758864), (8, 9849290), (10, 7879432), (11, 7163120), (16, 4924645), (17, 4634960), (20, 3939716), (22, 3581560), (23, 3425840), (34, 2317480), (40, 1969858), (44, 1790780), (46, 1712920), (55, 1432624), (68, 1158740), (80, 984929), (85, 926992), (88, 895390), (92, 856460), (110, 716312), (115, 685168), (136, 579370), (170, 463496), (176, 447695), (184, 428230), (187, 421360), (220, 358156), (229, 344080), (230, 342584), (253, 311440), (272, 289685), (340, 231748), (368, 214115), (374, 210680), (391, 201520), (440, 179078), (458, 172040), (460, 171292), (506, 155720), (680, 115874), (748, 105340), (782, 100760), (880, 89539), (916, 86020), (920, 85646), (935, 84272), (1012, 77860), (1145, 68816), (1265, 62288), (1360, 57937), (1496, 52670), (1564, 50380), (1832, 43010), (1840, 42823), (1870, 42136), (1955, 40304), (2024, 38930), (2290, 34408), (2519, 31280), (2530, 31144), (2992, 26335), (3128, 25190), (3664, 21505), (3740, 21068), (3893, 20240), (3910, 20152), (4048, 19465), (4301, 18320), (4580, 17204), (5038, 15640), (5060, 15572), (5267, 14960), (6256, 12595), (7480, 10534), (7786, 10120), (7820, 10076), (8602, 9160)]