81293100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{38711}}^1$

素因数の和:38735

約数の個数: 72

約数和(自身を含む): 268816128

約数和(自身を除く): 187523028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 38711, 77422, 116133, 154844, 193555, 232266, 270977, 387110, 464532, 541954, 580665, 774220, 812931, 967775, 1083908, 1161330, 1354885, 1625862, 1935550, 2322660, 2709770, 2903325, 3251724, 3871100, 4064655, 5419540, 5806650, 6774425, 8129310, 11613300, 13548850, 16258620, 20323275, 27097700, 40646550, 81293100]

約数ペア:

[(1, 81293100), (2, 40646550), (3, 27097700), (4, 20323275), (5, 16258620), (6, 13548850), (7, 11613300), (10, 8129310), (12, 6774425), (14, 5806650), (15, 5419540), (20, 4064655), (21, 3871100), (25, 3251724), (28, 2903325), (30, 2709770), (35, 2322660), (42, 1935550), (50, 1625862), (60, 1354885), (70, 1161330), (75, 1083908), (84, 967775), (100, 812931), (105, 774220), (140, 580665), (150, 541954), (175, 464532), (210, 387110), (300, 270977), (350, 232266), (420, 193555), (525, 154844), (700, 116133), (1050, 77422), (2100, 38711)]