1489779280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 160

約数和(自身を含む): 3910249728

約数和(自身を除く): 2420470448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 157, 164, 176, 205, 220, 263, 314, 328, 410, 440, 451, 526, 628, 656, 785, 820, 880, 902, 1052, 1256, 1315, 1570, 1640, 1727, 1804, 2104, 2255, 2512, 2630, 2893, 3140, 3280, 3454, 3608, 4208, 4510, 5260, 5786, 6280, 6437, 6908, 7216, 8635, 9020, 10520, 10783, 11572, 12560, 12874, 13816, 14465, 17270, 18040, 21040, 21566, 23144, 25748, 27632, 28930, 32185, 34540, 36080, 41291, 43132, 46288, 51496, 53915, 57860, 64370, 69080, 70807, 82582, 86264, 102992, 107830, 115720, 118613, 128740, 138160, 141614, 165164, 172528, 206455, 215660, 231440, 237226, 257480, 283228, 330328, 354035, 412910, 431320, 454201, 474452, 514960, 566456, 593065, 660656, 708070, 825820, 862640, 908402, 948904, 1132912, 1186130, 1416140, 1651640, 1692931, 1816804, 1897808, 2271005, 2372260, 2832280, 3303280, 3385862, 3633608, 4542010, 4744520, 5664560, 6771724, 7267216, 8464655, 9084020, 9489040, 13543448, 16929310, 18168040, 18622241, 27086896, 33858620, 36336080, 37244482, 67717240, 74488964, 93111205, 135434480, 148977928, 186222410, 297955856, 372444820, 744889640, 1489779280]

約数ペア:

[(1, 1489779280), (2, 744889640), (4, 372444820), (5, 297955856), (8, 186222410), (10, 148977928), (11, 135434480), (16, 93111205), (20, 74488964), (22, 67717240), (40, 37244482), (41, 36336080), (44, 33858620), (55, 27086896), (80, 18622241), (82, 18168040), (88, 16929310), (110, 13543448), (157, 9489040), (164, 9084020), (176, 8464655), (205, 7267216), (220, 6771724), (263, 5664560), (314, 4744520), (328, 4542010), (410, 3633608), (440, 3385862), (451, 3303280), (526, 2832280), (628, 2372260), (656, 2271005), (785, 1897808), (820, 1816804), (880, 1692931), (902, 1651640), (1052, 1416140), (1256, 1186130), (1315, 1132912), (1570, 948904), (1640, 908402), (1727, 862640), (1804, 825820), (2104, 708070), (2255, 660656), (2512, 593065), (2630, 566456), (2893, 514960), (3140, 474452), (3280, 454201), (3454, 431320), (3608, 412910), (4208, 354035), (4510, 330328), (5260, 283228), (5786, 257480), (6280, 237226), (6437, 231440), (6908, 215660), (7216, 206455), (8635, 172528), (9020, 165164), (10520, 141614), (10783, 138160), (11572, 128740), (12560, 118613), (12874, 115720), (13816, 107830), (14465, 102992), (17270, 86264), (18040, 82582), (21040, 70807), (21566, 69080), (23144, 64370), (25748, 57860), (27632, 53915), (28930, 51496), (32185, 46288), (34540, 43132), (36080, 41291)]