981569120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1733

約数の個数: 192

約数和(自身を含む): 2898395136

約数和(自身を除く): 1916826016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 544, 560, 595, 620, 680, 868, 952, 992, 1054, 1085, 1120, 1190, 1240, 1360, 1663, 1736, 1904, 2108, 2170, 2380, 2480, 2635, 2720, 3326, 3472, 3689, 3808, 4216, 4340, 4760, 4960, 5270, 6652, 6944, 7378, 8315, 8432, 8680, 9520, 10540, 11641, 13304, 14756, 16630, 16864, 17360, 18445, 19040, 21080, 23282, 26608, 28271, 29512, 33260, 34720, 36890, 42160, 46564, 51553, 53216, 56542, 58205, 59024, 66520, 73780, 84320, 93128, 103106, 113084, 116410, 118048, 133040, 141355, 147560, 186256, 197897, 206212, 226168, 232820, 257765, 266080, 282710, 295120, 360871, 372512, 395794, 412424, 452336, 465640, 515530, 565420, 590240, 721742, 791588, 824848, 876401, 904672, 931280, 989485, 1031060, 1130840, 1443484, 1583176, 1649696, 1752802, 1804355, 1862560, 1978970, 2062120, 2261680, 2886968, 3166352, 3505604, 3608710, 3957940, 4124240, 4382005, 4523360, 5773936, 6134807, 6332704, 7011208, 7217420, 7915880, 8248480, 8764010, 11547872, 12269614, 14022416, 14434840, 15831760, 17528020, 24539228, 28044832, 28869680, 30674035, 31663520, 35056040, 49078456, 57739360, 61348070, 70112080, 98156912, 122696140, 140224160, 196313824, 245392280, 490784560, 981569120]

約数ペア:

[(1, 981569120), (2, 490784560), (4, 245392280), (5, 196313824), (7, 140224160), (8, 122696140), (10, 98156912), (14, 70112080), (16, 61348070), (17, 57739360), (20, 49078456), (28, 35056040), (31, 31663520), (32, 30674035), (34, 28869680), (35, 28044832), (40, 24539228), (56, 17528020), (62, 15831760), (68, 14434840), (70, 14022416), (80, 12269614), (85, 11547872), (112, 8764010), (119, 8248480), (124, 7915880), (136, 7217420), (140, 7011208), (155, 6332704), (160, 6134807), (170, 5773936), (217, 4523360), (224, 4382005), (238, 4124240), (248, 3957940), (272, 3608710), (280, 3505604), (310, 3166352), (340, 2886968), (434, 2261680), (476, 2062120), (496, 1978970), (527, 1862560), (544, 1804355), (560, 1752802), (595, 1649696), (620, 1583176), (680, 1443484), (868, 1130840), (952, 1031060), (992, 989485), (1054, 931280), (1085, 904672), (1120, 876401), (1190, 824848), (1240, 791588), (1360, 721742), (1663, 590240), (1736, 565420), (1904, 515530), (2108, 465640), (2170, 452336), (2380, 412424), (2480, 395794), (2635, 372512), (2720, 360871), (3326, 295120), (3472, 282710), (3689, 266080), (3808, 257765), (4216, 232820), (4340, 226168), (4760, 206212), (4960, 197897), (5270, 186256), (6652, 147560), (6944, 141355), (7378, 133040), (8315, 118048), (8432, 116410), (8680, 113084), (9520, 103106), (10540, 93128), (11641, 84320), (13304, 73780), (14756, 66520), (16630, 59024), (16864, 58205), (17360, 56542), (18445, 53216), (19040, 51553), (21080, 46564), (23282, 42160), (26608, 36890), (28271, 34720), (29512, 33260)]