342420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 1034880

約数和(自身を除く): 692460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 439, 780, 878, 1317, 1756, 2195, 2634, 4390, 5268, 5707, 6585, 8780, 11414, 13170, 17121, 22828, 26340, 28535, 34242, 57070, 68484, 85605, 114140, 171210, 342420]

約数ペア:

[(1, 342420), (2, 171210), (3, 114140), (4, 85605), (5, 68484), (6, 57070), (10, 34242), (12, 28535), (13, 26340), (15, 22828), (20, 17121), (26, 13170), (30, 11414), (39, 8780), (52, 6585), (60, 5707), (65, 5268), (78, 4390), (130, 2634), (156, 2195), (195, 1756), (260, 1317), (390, 878), (439, 780)]