81422040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{96931}}^1$

素因数の和:96952

約数の個数: 64

約数和(自身を含む): 279164160

約数和(自身を除く): 197742120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 96931, 193862, 290793, 387724, 484655, 581586, 678517, 775448, 969310, 1163172, 1357034, 1453965, 1938620, 2035551, 2326344, 2714068, 2907930, 3392585, 3877240, 4071102, 5428136, 5815860, 6785170, 8142204, 10177755, 11631720, 13570340, 16284408, 20355510, 27140680, 40711020, 81422040]

約数ペア:

[(1, 81422040), (2, 40711020), (3, 27140680), (4, 20355510), (5, 16284408), (6, 13570340), (7, 11631720), (8, 10177755), (10, 8142204), (12, 6785170), (14, 5815860), (15, 5428136), (20, 4071102), (21, 3877240), (24, 3392585), (28, 2907930), (30, 2714068), (35, 2326344), (40, 2035551), (42, 1938620), (56, 1453965), (60, 1357034), (70, 1163172), (84, 969310), (105, 775448), (120, 678517), (140, 581586), (168, 484655), (210, 387724), (280, 290793), (420, 193862), (840, 96931)]