12402780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15901}}^1$

素因数の和:15926

約数の個数: 48

約数和(自身を含む): 37401504

約数和(自身を除く): 24998724

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, 15901, 31802, 47703, 63604, 79505, 95406, 159010, 190812, 206713, 238515, 318020, 413426, 477030, 620139, 826852, 954060, 1033565, 1240278, 2067130, 2480556, 3100695, 4134260, 6201390, 12402780]

約数ペア:

[(1, 12402780), (2, 6201390), (3, 4134260), (4, 3100695), (5, 2480556), (6, 2067130), (10, 1240278), (12, 1033565), (13, 954060), (15, 826852), (20, 620139), (26, 477030), (30, 413426), (39, 318020), (52, 238515), (60, 206713), (65, 190812), (78, 159010), (130, 95406), (156, 79505), (195, 63604), (260, 47703), (390, 31802), (780, 15901)]