15409460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 35743680

約数和(自身を除く): 20334220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 787, 890, 979, 1574, 1780, 1958, 3148, 3916, 3935, 4895, 7870, 8657, 9790, 15740, 17314, 19580, 34628, 43285, 70043, 86570, 140086, 173140, 280172, 350215, 700430, 770473, 1400860, 1540946, 3081892, 3852365, 7704730, 15409460]

約数ペア:

[(1, 15409460), (2, 7704730), (4, 3852365), (5, 3081892), (10, 1540946), (11, 1400860), (20, 770473), (22, 700430), (44, 350215), (55, 280172), (89, 173140), (110, 140086), (178, 86570), (220, 70043), (356, 43285), (445, 34628), (787, 19580), (890, 17314), (979, 15740), (1574, 9790), (1780, 8657), (1958, 7870), (3148, 4895), (3916, 3935)]