78103620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61987}}^1$

素因数の和:62009

約数の個数: 72

約数和(自身を含む): 270763584

約数和(自身を除く): 192659964

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, 61987, 123974, 185961, 247948, 309935, 371922, 433909, 557883, 619870, 743844, 867818, 929805, 1115766, 1239740, 1301727, 1735636, 1859610, 2169545, 2231532, 2603454, 2789415, 3719220, 3905181, 4339090, 5206908, 5578830, 6508635, 7810362, 8678180, 11157660, 13017270, 15620724, 19525905, 26034540, 39051810, 78103620]

約数ペア:

[(1, 78103620), (2, 39051810), (3, 26034540), (4, 19525905), (5, 15620724), (6, 13017270), (7, 11157660), (9, 8678180), (10, 7810362), (12, 6508635), (14, 5578830), (15, 5206908), (18, 4339090), (20, 3905181), (21, 3719220), (28, 2789415), (30, 2603454), (35, 2231532), (36, 2169545), (42, 1859610), (45, 1735636), (60, 1301727), (63, 1239740), (70, 1115766), (84, 929805), (90, 867818), (105, 743844), (126, 619870), (140, 557883), (180, 433909), (210, 371922), (252, 309935), (315, 247948), (420, 185961), (630, 123974), (1260, 61987)]