8166420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^2$

素因数の和:163

約数の個数: 90

約数和(自身を含む): 25984266

約数和(自身を除く): 17817846

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 810, 852, 1065, 1278, 1420, 1620, 1917, 2130, 2556, 3195, 3834, 4260, 5041, 5751, 6390, 7668, 9585, 10082, 11502, 12780, 15123, 19170, 20164, 23004, 25205, 28755, 30246, 38340, 45369, 50410, 57510, 60492, 75615, 90738, 100820, 115020, 136107, 151230, 181476, 226845, 272214, 302460, 408321, 453690, 544428, 680535, 816642, 907380, 1361070, 1633284, 2041605, 2722140, 4083210, 8166420]

約数ペア:

[(1, 8166420), (2, 4083210), (3, 2722140), (4, 2041605), (5, 1633284), (6, 1361070), (9, 907380), (10, 816642), (12, 680535), (15, 544428), (18, 453690), (20, 408321), (27, 302460), (30, 272214), (36, 226845), (45, 181476), (54, 151230), (60, 136107), (71, 115020), (81, 100820), (90, 90738), (108, 75615), (135, 60492), (142, 57510), (162, 50410), (180, 45369), (213, 38340), (270, 30246), (284, 28755), (324, 25205), (355, 23004), (405, 20164), (426, 19170), (540, 15123), (639, 12780), (710, 11502), (810, 10082), (852, 9585), (1065, 7668), (1278, 6390), (1420, 5751), (1620, 5041), (1917, 4260), (2130, 3834), (2556, 3195)]