231478260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{296767}}^1$

素因数の和:296792

約数の個数: 48

約数和(自身を含む): 697998336

約数和(自身を除く): 466520076

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, 296767, 593534, 890301, 1187068, 1483835, 1780602, 2967670, 3561204, 3857971, 4451505, 5935340, 7715942, 8903010, 11573913, 15431884, 17806020, 19289855, 23147826, 38579710, 46295652, 57869565, 77159420, 115739130, 231478260]

約数ペア:

[(1, 231478260), (2, 115739130), (3, 77159420), (4, 57869565), (5, 46295652), (6, 38579710), (10, 23147826), (12, 19289855), (13, 17806020), (15, 15431884), (20, 11573913), (26, 8903010), (30, 7715942), (39, 5935340), (52, 4451505), (60, 3857971), (65, 3561204), (78, 2967670), (130, 1780602), (156, 1483835), (195, 1187068), (260, 890301), (390, 593534), (780, 296767)]