82081860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27919}}^1$

素因数の和:27945

約数の個数: 72

約数和(自身を含む): 267361920

約数和(自身を除く): 185280060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27919, 55838, 83757, 111676, 139595, 167514, 195433, 279190, 335028, 390866, 418785, 558380, 586299, 781732, 837570, 977165, 1172598, 1368031, 1675140, 1954330, 2345196, 2736062, 2931495, 3908660, 4104093, 5472124, 5862990, 6840155, 8208186, 11725980, 13680310, 16416372, 20520465, 27360620, 41040930, 82081860]

約数ペア:

[(1, 82081860), (2, 41040930), (3, 27360620), (4, 20520465), (5, 16416372), (6, 13680310), (7, 11725980), (10, 8208186), (12, 6840155), (14, 5862990), (15, 5472124), (20, 4104093), (21, 3908660), (28, 2931495), (30, 2736062), (35, 2345196), (42, 1954330), (49, 1675140), (60, 1368031), (70, 1172598), (84, 977165), (98, 837570), (105, 781732), (140, 586299), (147, 558380), (196, 418785), (210, 390866), (245, 335028), (294, 279190), (420, 195433), (490, 167514), (588, 139595), (735, 111676), (980, 83757), (1470, 55838), (2940, 27919)]