30660860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2909}}^1$

素因数の和:2966

約数の個数: 48

約数和(自身を含む): 70398720

約数和(自身を除く): 39737860

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 2909, 5270, 5818, 10540, 11636, 14545, 29090, 49453, 58180, 90179, 98906, 180358, 197812, 247265, 360716, 450895, 494530, 901790, 989060, 1533043, 1803580, 3066086, 6132172, 7665215, 15330430, 30660860]

約数ペア:

[(1, 30660860), (2, 15330430), (4, 7665215), (5, 6132172), (10, 3066086), (17, 1803580), (20, 1533043), (31, 989060), (34, 901790), (62, 494530), (68, 450895), (85, 360716), (124, 247265), (155, 197812), (170, 180358), (310, 98906), (340, 90179), (527, 58180), (620, 49453), (1054, 29090), (2108, 14545), (2635, 11636), (2909, 10540), (5270, 5818)]