1621581790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 3243058560

約数和(自身を除く): 1621476770

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 83, 95, 107, 155, 166, 190, 214, 310, 415, 535, 589, 830, 961, 1070, 1178, 1577, 1922, 2033, 2573, 2945, 3154, 3317, 4066, 4805, 5146, 5890, 6634, 7885, 8881, 9610, 10165, 12865, 15770, 16585, 17762, 18259, 20330, 25730, 33170, 36518, 44405, 48887, 63023, 79763, 88810, 91295, 97774, 102827, 126046, 159526, 168739, 182590, 205654, 244435, 275311, 315115, 337478, 398815, 488870, 514135, 550622, 630230, 797630, 843695, 1028270, 1376555, 1515497, 1687390, 1953713, 2753110, 3030994, 3907426, 5230909, 7577485, 8534641, 9768565, 10461818, 15154970, 17069282, 19537130, 26154545, 42673205, 52309090, 85346410, 162158179, 324316358, 810790895, 1621581790]

約数ペア:

[(1, 1621581790), (2, 810790895), (5, 324316358), (10, 162158179), (19, 85346410), (31, 52309090), (38, 42673205), (62, 26154545), (83, 19537130), (95, 17069282), (107, 15154970), (155, 10461818), (166, 9768565), (190, 8534641), (214, 7577485), (310, 5230909), (415, 3907426), (535, 3030994), (589, 2753110), (830, 1953713), (961, 1687390), (1070, 1515497), (1178, 1376555), (1577, 1028270), (1922, 843695), (2033, 797630), (2573, 630230), (2945, 550622), (3154, 514135), (3317, 488870), (4066, 398815), (4805, 337478), (5146, 315115), (5890, 275311), (6634, 244435), (7885, 205654), (8881, 182590), (9610, 168739), (10165, 159526), (12865, 126046), (15770, 102827), (16585, 97774), (17762, 91295), (18259, 88810), (20330, 79763), (25730, 63023), (33170, 48887), (36518, 44405)]