320643540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8209}}^1$

素因数の和:8262

約数の個数: 144

約数和(自身を含む): 1147560960

約数和(自身を除く): 826917420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 5580, 6510, 7812, 8209, 9765, 13020, 16418, 19530, 24627, 32836, 39060, 41045, 49254, 57463, 73881, 82090, 98508, 114926, 123135, 147762, 164180, 172389, 229852, 246270, 254479, 287315, 295524, 344778, 369405, 492540, 508958, 517167, 574630, 689556, 738810, 763437, 861945, 1017916, 1034334, 1149260, 1272395, 1477620, 1526874, 1723890, 1781353, 2068668, 2290311, 2544790, 2585835, 3053748, 3447780, 3562706, 3817185, 4580622, 5089580, 5171670, 5344059, 7125412, 7634370, 8906765, 9161244, 10343340, 10688118, 11451555, 15268740, 16032177, 17813530, 21376236, 22903110, 26720295, 32064354, 35627060, 45806220, 53440590, 64128708, 80160885, 106881180, 160321770, 320643540]

約数ペア:

[(1, 320643540), (2, 160321770), (3, 106881180), (4, 80160885), (5, 64128708), (6, 53440590), (7, 45806220), (9, 35627060), (10, 32064354), (12, 26720295), (14, 22903110), (15, 21376236), (18, 17813530), (20, 16032177), (21, 15268740), (28, 11451555), (30, 10688118), (31, 10343340), (35, 9161244), (36, 8906765), (42, 7634370), (45, 7125412), (60, 5344059), (62, 5171670), (63, 5089580), (70, 4580622), (84, 3817185), (90, 3562706), (93, 3447780), (105, 3053748), (124, 2585835), (126, 2544790), (140, 2290311), (155, 2068668), (180, 1781353), (186, 1723890), (210, 1526874), (217, 1477620), (252, 1272395), (279, 1149260), (310, 1034334), (315, 1017916), (372, 861945), (420, 763437), (434, 738810), (465, 689556), (558, 574630), (620, 517167), (630, 508958), (651, 492540), (868, 369405), (930, 344778), (1085, 295524), (1116, 287315), (1260, 254479), (1302, 246270), (1395, 229852), (1860, 172389), (1953, 164180), (2170, 147762), (2604, 123135), (2790, 114926), (3255, 98508), (3906, 82090), (4340, 73881), (5580, 57463), (6510, 49254), (7812, 41045), (8209, 39060), (9765, 32836), (13020, 24627), (16418, 19530)]