69945540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 144

約数和(自身を含む): 234343872

約数和(自身を除く): 164398332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 643, 735, 740, 777, 980, 1036, 1110, 1286, 1295, 1470, 1554, 1813, 1929, 2220, 2572, 2590, 2940, 3108, 3215, 3626, 3858, 3885, 4501, 5180, 5439, 6430, 7252, 7716, 7770, 9002, 9065, 9645, 10878, 12860, 13503, 15540, 18004, 18130, 19290, 21756, 22505, 23791, 27006, 27195, 31507, 36260, 38580, 45010, 47582, 54012, 54390, 63014, 67515, 71373, 90020, 94521, 95164, 108780, 118955, 126028, 135030, 142746, 157535, 166537, 189042, 237910, 270060, 285492, 315070, 333074, 356865, 378084, 472605, 475820, 499611, 630140, 666148, 713730, 832685, 945210, 999222, 1165759, 1427460, 1665370, 1890420, 1998444, 2331518, 2498055, 3330740, 3497277, 4663036, 4996110, 5828795, 6994554, 9992220, 11657590, 13989108, 17486385, 23315180, 34972770, 69945540]

約数ペア:

[(1, 69945540), (2, 34972770), (3, 23315180), (4, 17486385), (5, 13989108), (6, 11657590), (7, 9992220), (10, 6994554), (12, 5828795), (14, 4996110), (15, 4663036), (20, 3497277), (21, 3330740), (28, 2498055), (30, 2331518), (35, 1998444), (37, 1890420), (42, 1665370), (49, 1427460), (60, 1165759), (70, 999222), (74, 945210), (84, 832685), (98, 713730), (105, 666148), (111, 630140), (140, 499611), (147, 475820), (148, 472605), (185, 378084), (196, 356865), (210, 333074), (222, 315070), (245, 285492), (259, 270060), (294, 237910), (370, 189042), (420, 166537), (444, 157535), (490, 142746), (518, 135030), (555, 126028), (588, 118955), (643, 108780), (735, 95164), (740, 94521), (777, 90020), (980, 71373), (1036, 67515), (1110, 63014), (1286, 54390), (1295, 54012), (1470, 47582), (1554, 45010), (1813, 38580), (1929, 36260), (2220, 31507), (2572, 27195), (2590, 27006), (2940, 23791), (3108, 22505), (3215, 21756), (3626, 19290), (3858, 18130), (3885, 18004), (4501, 15540), (5180, 13503), (5439, 12860), (6430, 10878), (7252, 9645), (7716, 9065), (7770, 9002)]