18394951120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{81509}}^1$

素因数の和:81573

約数の個数: 160

約数和(自身を含む): 54336522240

約数和(自身を除く): 35941571120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 5642, 6448, 7280, 8060, 8680, 11284, 14105, 16120, 17360, 22568, 28210, 32240, 45136, 56420, 81509, 112840, 163018, 225680, 326036, 407545, 570563, 652072, 815090, 1059617, 1141126, 1304144, 1630180, 2119234, 2282252, 2526779, 2852815, 3260360, 4238468, 4564504, 5053558, 5298085, 5705630, 6520720, 7417319, 8476936, 9129008, 10107116, 10596170, 11411260, 12633895, 14834638, 16953872, 17687453, 20214232, 21192340, 22822520, 25267790, 29669276, 32848127, 35374906, 37086595, 40428464, 42384680, 45645040, 50535580, 59338552, 65696254, 70749812, 74173190, 84769360, 88437265, 101071160, 118677104, 131392508, 141499624, 148346380, 164240635, 176874530, 202142320, 229936889, 262785016, 282999248, 296692760, 328481270, 353749060, 459873778, 525570032, 593385520, 656962540, 707498120, 919747556, 1149684445, 1313925080, 1414996240, 1839495112, 2299368890, 2627850160, 3678990224, 4598737780, 9197475560, 18394951120]

約数ペア:

[(1, 18394951120), (2, 9197475560), (4, 4598737780), (5, 3678990224), (7, 2627850160), (8, 2299368890), (10, 1839495112), (13, 1414996240), (14, 1313925080), (16, 1149684445), (20, 919747556), (26, 707498120), (28, 656962540), (31, 593385520), (35, 525570032), (40, 459873778), (52, 353749060), (56, 328481270), (62, 296692760), (65, 282999248), (70, 262785016), (80, 229936889), (91, 202142320), (104, 176874530), (112, 164240635), (124, 148346380), (130, 141499624), (140, 131392508), (155, 118677104), (182, 101071160), (208, 88437265), (217, 84769360), (248, 74173190), (260, 70749812), (280, 65696254), (310, 59338552), (364, 50535580), (403, 45645040), (434, 42384680), (455, 40428464), (496, 37086595), (520, 35374906), (560, 32848127), (620, 29669276), (728, 25267790), (806, 22822520), (868, 21192340), (910, 20214232), (1040, 17687453), (1085, 16953872), (1240, 14834638), (1456, 12633895), (1612, 11411260), (1736, 10596170), (1820, 10107116), (2015, 9129008), (2170, 8476936), (2480, 7417319), (2821, 6520720), (3224, 5705630), (3472, 5298085), (3640, 5053558), (4030, 4564504), (4340, 4238468), (5642, 3260360), (6448, 2852815), (7280, 2526779), (8060, 2282252), (8680, 2119234), (11284, 1630180), (14105, 1304144), (16120, 1141126), (17360, 1059617), (22568, 815090), (28210, 652072), (32240, 570563), (45136, 407545), (56420, 326036), (81509, 225680), (112840, 163018)]