81585180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14621}}^1$

素因数の和:14667

約数の個数: 72

約数和(自身を含む): 255475584

約数和(自身を除く): 173890404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 14621, 29242, 43863, 58484, 73105, 87726, 131589, 146210, 175452, 219315, 263178, 292420, 438630, 453251, 526356, 657945, 877260, 906502, 1315890, 1359753, 1813004, 2266255, 2631780, 2719506, 4079259, 4532510, 5439012, 6798765, 8158518, 9065020, 13597530, 16317036, 20396295, 27195060, 40792590, 81585180]

約数ペア:

[(1, 81585180), (2, 40792590), (3, 27195060), (4, 20396295), (5, 16317036), (6, 13597530), (9, 9065020), (10, 8158518), (12, 6798765), (15, 5439012), (18, 4532510), (20, 4079259), (30, 2719506), (31, 2631780), (36, 2266255), (45, 1813004), (60, 1359753), (62, 1315890), (90, 906502), (93, 877260), (124, 657945), (155, 526356), (180, 453251), (186, 438630), (279, 292420), (310, 263178), (372, 219315), (465, 175452), (558, 146210), (620, 131589), (930, 87726), (1116, 73105), (1395, 58484), (1860, 43863), (2790, 29242), (5580, 14621)]