78289260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:916

約数の個数: 144

約数和(自身を含む): 263531520

約数和(自身を除く): 185242260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 859, 868, 930, 980, 1085, 1302, 1470, 1519, 1718, 1860, 2170, 2577, 2604, 2940, 3038, 3255, 3436, 4295, 4340, 4557, 5154, 6013, 6076, 6510, 7595, 8590, 9114, 10308, 12026, 12885, 13020, 15190, 17180, 18039, 18228, 22785, 24052, 25770, 26629, 30065, 30380, 36078, 42091, 45570, 51540, 53258, 60130, 72156, 79887, 84182, 90195, 91140, 106516, 120260, 126273, 133145, 159774, 168364, 180390, 186403, 210455, 252546, 266290, 319548, 360780, 372806, 399435, 420910, 505092, 532580, 559209, 631365, 745612, 798870, 841820, 932015, 1118418, 1262730, 1304821, 1597740, 1864030, 2236836, 2525460, 2609642, 2796045, 3728060, 3914463, 5219284, 5592090, 6524105, 7828926, 11184180, 13048210, 15657852, 19572315, 26096420, 39144630, 78289260]

約数ペア:

[(1, 78289260), (2, 39144630), (3, 26096420), (4, 19572315), (5, 15657852), (6, 13048210), (7, 11184180), (10, 7828926), (12, 6524105), (14, 5592090), (15, 5219284), (20, 3914463), (21, 3728060), (28, 2796045), (30, 2609642), (31, 2525460), (35, 2236836), (42, 1864030), (49, 1597740), (60, 1304821), (62, 1262730), (70, 1118418), (84, 932015), (93, 841820), (98, 798870), (105, 745612), (124, 631365), (140, 559209), (147, 532580), (155, 505092), (186, 420910), (196, 399435), (210, 372806), (217, 360780), (245, 319548), (294, 266290), (310, 252546), (372, 210455), (420, 186403), (434, 180390), (465, 168364), (490, 159774), (588, 133145), (620, 126273), (651, 120260), (735, 106516), (859, 91140), (868, 90195), (930, 84182), (980, 79887), (1085, 72156), (1302, 60130), (1470, 53258), (1519, 51540), (1718, 45570), (1860, 42091), (2170, 36078), (2577, 30380), (2604, 30065), (2940, 26629), (3038, 25770), (3255, 24052), (3436, 22785), (4295, 18228), (4340, 18039), (4557, 17180), (5154, 15190), (6013, 13020), (6076, 12885), (6510, 12026), (7595, 10308), (8590, 9114)]