71211420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{18839}}^1$

素因数の和:18864

約数の個数: 96

約数和(自身を含む): 253209600

約数和(自身を除く): 181998180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 18839, 37678, 56517, 75356, 94195, 113034, 131873, 169551, 188390, 226068, 263746, 282585, 339102, 376780, 395619, 508653, 527492, 565170, 659365, 678204, 791238, 847755, 1017306, 1130340, 1186857, 1318730, 1582476, 1695510, 1978095, 2034612, 2373714, 2543265, 2637460, 3391020, 3560571, 3956190, 4747428, 5086530, 5934285, 7121142, 7912380, 10173060, 11868570, 14242284, 17802855, 23737140, 35605710, 71211420]

約数ペア:

[(1, 71211420), (2, 35605710), (3, 23737140), (4, 17802855), (5, 14242284), (6, 11868570), (7, 10173060), (9, 7912380), (10, 7121142), (12, 5934285), (14, 5086530), (15, 4747428), (18, 3956190), (20, 3560571), (21, 3391020), (27, 2637460), (28, 2543265), (30, 2373714), (35, 2034612), (36, 1978095), (42, 1695510), (45, 1582476), (54, 1318730), (60, 1186857), (63, 1130340), (70, 1017306), (84, 847755), (90, 791238), (105, 678204), (108, 659365), (126, 565170), (135, 527492), (140, 508653), (180, 395619), (189, 376780), (210, 339102), (252, 282585), (270, 263746), (315, 226068), (378, 188390), (420, 169551), (540, 131873), (630, 113034), (756, 94195), (945, 75356), (1260, 56517), (1890, 37678), (3780, 18839)]