2172690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 6249600

約数和(自身を除く): 4076910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 619, 702, 1170, 1238, 1755, 1857, 3095, 3510, 3714, 5571, 6190, 8047, 9285, 11142, 16094, 16713, 18570, 24141, 27855, 33426, 40235, 48282, 55710, 72423, 80470, 83565, 120705, 144846, 167130, 217269, 241410, 362115, 434538, 724230, 1086345, 2172690]

約数ペア:

[(1, 2172690), (2, 1086345), (3, 724230), (5, 434538), (6, 362115), (9, 241410), (10, 217269), (13, 167130), (15, 144846), (18, 120705), (26, 83565), (27, 80470), (30, 72423), (39, 55710), (45, 48282), (54, 40235), (65, 33426), (78, 27855), (90, 24141), (117, 18570), (130, 16713), (135, 16094), (195, 11142), (234, 9285), (270, 8047), (351, 6190), (390, 5571), (585, 3714), (619, 3510), (702, 3095), (1170, 1857), (1238, 1755)]