2979990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:315

約数の個数: 80

約数和(自身を含む): 8659728

約数和(自身を除く): 5679738

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 283, 351, 390, 405, 566, 585, 702, 810, 849, 1053, 1170, 1415, 1698, 1755, 2106, 2547, 2830, 3510, 3679, 4245, 5094, 5265, 7358, 7641, 8490, 10530, 11037, 12735, 15282, 18395, 22074, 22923, 25470, 33111, 36790, 38205, 45846, 55185, 66222, 76410, 99333, 110370, 114615, 165555, 198666, 229230, 297999, 331110, 496665, 595998, 993330, 1489995, 2979990]

約数ペア:

[(1, 2979990), (2, 1489995), (3, 993330), (5, 595998), (6, 496665), (9, 331110), (10, 297999), (13, 229230), (15, 198666), (18, 165555), (26, 114615), (27, 110370), (30, 99333), (39, 76410), (45, 66222), (54, 55185), (65, 45846), (78, 38205), (81, 36790), (90, 33111), (117, 25470), (130, 22923), (135, 22074), (162, 18395), (195, 15282), (234, 12735), (270, 11037), (283, 10530), (351, 8490), (390, 7641), (405, 7358), (566, 5265), (585, 5094), (702, 4245), (810, 3679), (849, 3510), (1053, 2830), (1170, 2547), (1415, 2106), (1698, 1755)]