405690180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31159}}^1$

素因数の和:31209

約数の個数: 96

約数和(自身を含む): 1340129280

約数和(自身を除く): 934439100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2604, 3255, 4340, 6510, 13020, 31159, 62318, 93477, 124636, 155795, 186954, 218113, 311590, 373908, 436226, 467385, 623180, 654339, 872452, 934770, 965929, 1090565, 1308678, 1869540, 1931858, 2181130, 2617356, 2897787, 3271695, 3863716, 4362260, 4829645, 5795574, 6543390, 6761503, 9659290, 11591148, 13086780, 13523006, 14488935, 19318580, 20284509, 27046012, 28977870, 33807515, 40569018, 57955740, 67615030, 81138036, 101422545, 135230060, 202845090, 405690180]

約数ペア:

[(1, 405690180), (2, 202845090), (3, 135230060), (4, 101422545), (5, 81138036), (6, 67615030), (7, 57955740), (10, 40569018), (12, 33807515), (14, 28977870), (15, 27046012), (20, 20284509), (21, 19318580), (28, 14488935), (30, 13523006), (31, 13086780), (35, 11591148), (42, 9659290), (60, 6761503), (62, 6543390), (70, 5795574), (84, 4829645), (93, 4362260), (105, 3863716), (124, 3271695), (140, 2897787), (155, 2617356), (186, 2181130), (210, 1931858), (217, 1869540), (310, 1308678), (372, 1090565), (420, 965929), (434, 934770), (465, 872452), (620, 654339), (651, 623180), (868, 467385), (930, 436226), (1085, 373908), (1302, 311590), (1860, 218113), (2170, 186954), (2604, 155795), (3255, 124636), (4340, 93477), (6510, 62318), (13020, 31159)]