71545520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1697}}^1$

素因数の和:1758

約数の個数: 80

約数和(自身を含む): 181916928

約数和(自身を除く): 110371408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 1697, 2108, 2480, 2635, 3394, 4216, 5270, 6788, 8432, 8485, 10540, 13576, 16970, 21080, 27152, 28849, 33940, 42160, 52607, 57698, 67880, 105214, 115396, 135760, 144245, 210428, 230792, 263035, 288490, 420856, 461584, 526070, 576980, 841712, 894319, 1052140, 1153960, 1788638, 2104280, 2307920, 3577276, 4208560, 4471595, 7154552, 8943190, 14309104, 17886380, 35772760, 71545520]

約数ペア:

[(1, 71545520), (2, 35772760), (4, 17886380), (5, 14309104), (8, 8943190), (10, 7154552), (16, 4471595), (17, 4208560), (20, 3577276), (31, 2307920), (34, 2104280), (40, 1788638), (62, 1153960), (68, 1052140), (80, 894319), (85, 841712), (124, 576980), (136, 526070), (155, 461584), (170, 420856), (248, 288490), (272, 263035), (310, 230792), (340, 210428), (496, 144245), (527, 135760), (620, 115396), (680, 105214), (1054, 67880), (1240, 57698), (1360, 52607), (1697, 42160), (2108, 33940), (2480, 28849), (2635, 27152), (3394, 21080), (4216, 16970), (5270, 13576), (6788, 10540), (8432, 8485)]