820313520880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1524293}}^1$

素因数の和:1524375

約数の個数: 120

約数和(自身を含む): 2252272425696

約数和(自身を除く): 1431958904816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 961, 1085, 1240, 1736, 1922, 2170, 2480, 3472, 3844, 4340, 4805, 6727, 7688, 8680, 9610, 13454, 15376, 17360, 19220, 26908, 33635, 38440, 53816, 67270, 76880, 107632, 134540, 269080, 538160, 1524293, 3048586, 6097172, 7621465, 10670051, 12194344, 15242930, 21340102, 24388688, 30485860, 42680204, 47253083, 53350255, 60971720, 85360408, 94506166, 106700510, 121943440, 170720816, 189012332, 213401020, 236265415, 330771581, 378024664, 426802040, 472530830, 661543162, 756049328, 853604080, 945061660, 1323086324, 1464845573, 1653857905, 1890123320, 2646172648, 2929691146, 3307715810, 3780246640, 5292345296, 5859382292, 6615431620, 7324227865, 10253919011, 11718764584, 13230863240, 14648455730, 20507838022, 23437529168, 26461726480, 29296911460, 41015676044, 51269595055, 58593822920, 82031352088, 102539190110, 117187645840, 164062704176, 205078380220, 410156760440, 820313520880]

約数ペア:

[(1, 820313520880), (2, 410156760440), (4, 205078380220), (5, 164062704176), (7, 117187645840), (8, 102539190110), (10, 82031352088), (14, 58593822920), (16, 51269595055), (20, 41015676044), (28, 29296911460), (31, 26461726480), (35, 23437529168), (40, 20507838022), (56, 14648455730), (62, 13230863240), (70, 11718764584), (80, 10253919011), (112, 7324227865), (124, 6615431620), (140, 5859382292), (155, 5292345296), (217, 3780246640), (248, 3307715810), (280, 2929691146), (310, 2646172648), (434, 1890123320), (496, 1653857905), (560, 1464845573), (620, 1323086324), (868, 945061660), (961, 853604080), (1085, 756049328), (1240, 661543162), (1736, 472530830), (1922, 426802040), (2170, 378024664), (2480, 330771581), (3472, 236265415), (3844, 213401020), (4340, 189012332), (4805, 170720816), (6727, 121943440), (7688, 106700510), (8680, 94506166), (9610, 85360408), (13454, 60971720), (15376, 53350255), (17360, 47253083), (19220, 42680204), (26908, 30485860), (33635, 24388688), (38440, 21340102), (53816, 15242930), (67270, 12194344), (76880, 10670051), (107632, 7621465), (134540, 6097172), (269080, 3048586), (538160, 1524293)]