16440540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8839}}^1$

素因数の和:8882

約数の個数: 48

約数和(自身を含む): 47523840

約数和(自身を除く): 31083300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 8839, 17678, 26517, 35356, 44195, 53034, 88390, 106068, 132585, 176780, 265170, 274009, 530340, 548018, 822027, 1096036, 1370045, 1644054, 2740090, 3288108, 4110135, 5480180, 8220270, 16440540]

約数ペア:

[(1, 16440540), (2, 8220270), (3, 5480180), (4, 4110135), (5, 3288108), (6, 2740090), (10, 1644054), (12, 1370045), (15, 1096036), (20, 822027), (30, 548018), (31, 530340), (60, 274009), (62, 265170), (93, 176780), (124, 132585), (155, 106068), (186, 88390), (310, 53034), (372, 44195), (465, 35356), (620, 26517), (930, 17678), (1860, 8839)]