84612780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{67153}}^1$

素因数の和:67175

約数の個数: 72

約数和(自身を含む): 293328672

約数和(自身を除く): 208715892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 67153, 134306, 201459, 268612, 335765, 402918, 470071, 604377, 671530, 805836, 940142, 1007295, 1208754, 1343060, 1410213, 1880284, 2014590, 2350355, 2417508, 2820426, 3021885, 4029180, 4230639, 4700710, 5640852, 6043770, 7051065, 8461278, 9401420, 12087540, 14102130, 16922556, 21153195, 28204260, 42306390, 84612780]

約数ペア:

[(1, 84612780), (2, 42306390), (3, 28204260), (4, 21153195), (5, 16922556), (6, 14102130), (7, 12087540), (9, 9401420), (10, 8461278), (12, 7051065), (14, 6043770), (15, 5640852), (18, 4700710), (20, 4230639), (21, 4029180), (28, 3021885), (30, 2820426), (35, 2417508), (36, 2350355), (42, 2014590), (45, 1880284), (60, 1410213), (63, 1343060), (70, 1208754), (84, 1007295), (90, 940142), (105, 805836), (126, 671530), (140, 604377), (180, 470071), (210, 402918), (252, 335765), (315, 268612), (420, 201459), (630, 134306), (1260, 67153)]