80905890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12203}}^1$

素因数の和:12243

約数の個数: 64

約数和(自身を含む): 221429376

約数和(自身を除く): 140523486

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 12203, 24406, 36609, 61015, 73218, 122030, 158639, 183045, 207451, 317278, 366090, 414902, 475917, 622353, 793195, 951834, 1037255, 1244706, 1586390, 2074510, 2379585, 2696863, 3111765, 4759170, 5393726, 6223530, 8090589, 13484315, 16181178, 26968630, 40452945, 80905890]

約数ペア:

[(1, 80905890), (2, 40452945), (3, 26968630), (5, 16181178), (6, 13484315), (10, 8090589), (13, 6223530), (15, 5393726), (17, 4759170), (26, 3111765), (30, 2696863), (34, 2379585), (39, 2074510), (51, 1586390), (65, 1244706), (78, 1037255), (85, 951834), (102, 793195), (130, 622353), (170, 475917), (195, 414902), (221, 366090), (255, 317278), (390, 207451), (442, 183045), (510, 158639), (663, 122030), (1105, 73218), (1326, 61015), (2210, 36609), (3315, 24406), (6630, 12203)]