782345340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{620909}}^1$

素因数の和:620931

約数の個数: 72

約数和(自身を含む): 2712134880

約数和(自身を除く): 1929789540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 620909, 1241818, 1862727, 2483636, 3104545, 3725454, 4346363, 5588181, 6209090, 7450908, 8692726, 9313635, 11176362, 12418180, 13039089, 17385452, 18627270, 21731815, 22352724, 26078178, 27940905, 37254540, 39117267, 43463630, 52156356, 55881810, 65195445, 78234534, 86927260, 111763620, 130390890, 156469068, 195586335, 260781780, 391172670, 782345340]

約数ペア:

[(1, 782345340), (2, 391172670), (3, 260781780), (4, 195586335), (5, 156469068), (6, 130390890), (7, 111763620), (9, 86927260), (10, 78234534), (12, 65195445), (14, 55881810), (15, 52156356), (18, 43463630), (20, 39117267), (21, 37254540), (28, 27940905), (30, 26078178), (35, 22352724), (36, 21731815), (42, 18627270), (45, 17385452), (60, 13039089), (63, 12418180), (70, 11176362), (84, 9313635), (90, 8692726), (105, 7450908), (126, 6209090), (140, 5588181), (180, 4346363), (210, 3725454), (252, 3104545), (315, 2483636), (420, 1862727), (630, 1241818), (1260, 620909)]