860340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1103}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 2596608

約数和(自身を除く): 1736268

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, 780, 1103, 2206, 3309, 4412, 5515, 6618, 11030, 13236, 14339, 16545, 22060, 28678, 33090, 43017, 57356, 66180, 71695, 86034, 143390, 172068, 215085, 286780, 430170, 860340]

約数ペア:

[(1, 860340), (2, 430170), (3, 286780), (4, 215085), (5, 172068), (6, 143390), (10, 86034), (12, 71695), (13, 66180), (15, 57356), (20, 43017), (26, 33090), (30, 28678), (39, 22060), (52, 16545), (60, 14339), (65, 13236), (78, 11030), (130, 6618), (156, 5515), (195, 4412), (260, 3309), (390, 2206), (780, 1103)]