640081722

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{24229}}^1$

素因数の和:24295

約数の個数: 64

約数和(自身を含む): 1591038720

約数和(自身を除く): 950956998

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 37, 42, 51, 74, 102, 111, 119, 222, 238, 259, 357, 518, 629, 714, 777, 1258, 1554, 1887, 3774, 4403, 8806, 13209, 24229, 26418, 48458, 72687, 145374, 169603, 339206, 411893, 508809, 823786, 896473, 1017618, 1235679, 1792946, 2471358, 2689419, 2883251, 5378838, 5766502, 6275311, 8649753, 12550622, 15240041, 17299506, 18825933, 30480082, 37651866, 45720123, 91440246, 106680287, 213360574, 320040861, 640081722]

約数ペア:

[(1, 640081722), (2, 320040861), (3, 213360574), (6, 106680287), (7, 91440246), (14, 45720123), (17, 37651866), (21, 30480082), (34, 18825933), (37, 17299506), (42, 15240041), (51, 12550622), (74, 8649753), (102, 6275311), (111, 5766502), (119, 5378838), (222, 2883251), (238, 2689419), (259, 2471358), (357, 1792946), (518, 1235679), (629, 1017618), (714, 896473), (777, 823786), (1258, 508809), (1554, 411893), (1887, 339206), (3774, 169603), (4403, 145374), (8806, 72687), (13209, 48458), (24229, 26418)]