81620880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:789

約数の個数: 160

約数和(自身を含む): 282839040

約数和(自身を除く): 201218160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 215, 220, 240, 258, 264, 330, 344, 430, 440, 473, 516, 528, 645, 660, 688, 719, 860, 880, 946, 1032, 1290, 1320, 1419, 1438, 1720, 1892, 2064, 2157, 2365, 2580, 2640, 2838, 2876, 3440, 3595, 3784, 4314, 4730, 5160, 5676, 5752, 7095, 7190, 7568, 7909, 8628, 9460, 10320, 10785, 11352, 11504, 14190, 14380, 15818, 17256, 18920, 21570, 22704, 23727, 28380, 28760, 30917, 31636, 34512, 37840, 39545, 43140, 47454, 56760, 57520, 61834, 63272, 79090, 86280, 92751, 94908, 113520, 118635, 123668, 126544, 154585, 158180, 172560, 185502, 189816, 237270, 247336, 309170, 316360, 340087, 371004, 379632, 463755, 474540, 494672, 618340, 632720, 680174, 742008, 927510, 949080, 1020261, 1236680, 1360348, 1484016, 1700435, 1855020, 1898160, 2040522, 2473360, 2720696, 3400870, 3710040, 4081044, 5101305, 5441392, 6801740, 7420080, 8162088, 10202610, 13603480, 16324176, 20405220, 27206960, 40810440, 81620880]

約数ペア:

[(1, 81620880), (2, 40810440), (3, 27206960), (4, 20405220), (5, 16324176), (6, 13603480), (8, 10202610), (10, 8162088), (11, 7420080), (12, 6801740), (15, 5441392), (16, 5101305), (20, 4081044), (22, 3710040), (24, 3400870), (30, 2720696), (33, 2473360), (40, 2040522), (43, 1898160), (44, 1855020), (48, 1700435), (55, 1484016), (60, 1360348), (66, 1236680), (80, 1020261), (86, 949080), (88, 927510), (110, 742008), (120, 680174), (129, 632720), (132, 618340), (165, 494672), (172, 474540), (176, 463755), (215, 379632), (220, 371004), (240, 340087), (258, 316360), (264, 309170), (330, 247336), (344, 237270), (430, 189816), (440, 185502), (473, 172560), (516, 158180), (528, 154585), (645, 126544), (660, 123668), (688, 118635), (719, 113520), (860, 94908), (880, 92751), (946, 86280), (1032, 79090), (1290, 63272), (1320, 61834), (1419, 57520), (1438, 56760), (1720, 47454), (1892, 43140), (2064, 39545), (2157, 37840), (2365, 34512), (2580, 31636), (2640, 30917), (2838, 28760), (2876, 28380), (3440, 23727), (3595, 22704), (3784, 21570), (4314, 18920), (4730, 17256), (5160, 15818), (5676, 14380), (5752, 14190), (7095, 11504), (7190, 11352), (7568, 10785), (7909, 10320), (8628, 9460)]