69647940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3989}}^1$

素因数の和:4101

約数の個数: 72

約数和(自身を含む): 213496920

約数和(自身を除く): 143848980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1164, 1455, 1746, 1940, 2910, 3492, 3989, 4365, 5820, 7978, 8730, 11967, 15956, 17460, 19945, 23934, 35901, 39890, 47868, 59835, 71802, 79780, 119670, 143604, 179505, 239340, 359010, 386933, 718020, 773866, 1160799, 1547732, 1934665, 2321598, 3482397, 3869330, 4643196, 5803995, 6964794, 7738660, 11607990, 13929588, 17411985, 23215980, 34823970, 69647940]

約数ペア:

[(1, 69647940), (2, 34823970), (3, 23215980), (4, 17411985), (5, 13929588), (6, 11607990), (9, 7738660), (10, 6964794), (12, 5803995), (15, 4643196), (18, 3869330), (20, 3482397), (30, 2321598), (36, 1934665), (45, 1547732), (60, 1160799), (90, 773866), (97, 718020), (180, 386933), (194, 359010), (291, 239340), (388, 179505), (485, 143604), (582, 119670), (873, 79780), (970, 71802), (1164, 59835), (1455, 47868), (1746, 39890), (1940, 35901), (2910, 23934), (3492, 19945), (3989, 17460), (4365, 15956), (5820, 11967), (7978, 8730)]