61288020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 196560000

約数和(自身を除く): 135271980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 59, 60, 87, 90, 116, 118, 145, 174, 177, 180, 199, 236, 261, 290, 295, 348, 354, 398, 435, 522, 531, 580, 590, 597, 708, 796, 870, 885, 995, 1044, 1062, 1180, 1194, 1305, 1711, 1740, 1770, 1791, 1990, 2124, 2388, 2610, 2655, 2985, 3422, 3540, 3582, 3980, 5133, 5220, 5310, 5771, 5970, 6844, 7164, 8555, 8955, 10266, 10620, 11542, 11741, 11940, 15399, 17110, 17313, 17910, 20532, 23084, 23482, 25665, 28855, 30798, 34220, 34626, 35223, 35820, 46964, 51330, 51939, 57710, 58705, 61596, 69252, 70446, 76995, 86565, 102660, 103878, 105669, 115420, 117410, 140892, 153990, 173130, 176115, 207756, 211338, 234820, 259695, 307980, 340489, 346260, 352230, 422676, 519390, 528345, 680978, 704460, 1021467, 1038780, 1056690, 1361956, 1702445, 2042934, 2113380, 3064401, 3404890, 4085868, 5107335, 6128802, 6809780, 10214670, 12257604, 15322005, 20429340, 30644010, 61288020]

約数ペア:

[(1, 61288020), (2, 30644010), (3, 20429340), (4, 15322005), (5, 12257604), (6, 10214670), (9, 6809780), (10, 6128802), (12, 5107335), (15, 4085868), (18, 3404890), (20, 3064401), (29, 2113380), (30, 2042934), (36, 1702445), (45, 1361956), (58, 1056690), (59, 1038780), (60, 1021467), (87, 704460), (90, 680978), (116, 528345), (118, 519390), (145, 422676), (174, 352230), (177, 346260), (180, 340489), (199, 307980), (236, 259695), (261, 234820), (290, 211338), (295, 207756), (348, 176115), (354, 173130), (398, 153990), (435, 140892), (522, 117410), (531, 115420), (580, 105669), (590, 103878), (597, 102660), (708, 86565), (796, 76995), (870, 70446), (885, 69252), (995, 61596), (1044, 58705), (1062, 57710), (1180, 51939), (1194, 51330), (1305, 46964), (1711, 35820), (1740, 35223), (1770, 34626), (1791, 34220), (1990, 30798), (2124, 28855), (2388, 25665), (2610, 23482), (2655, 23084), (2985, 20532), (3422, 17910), (3540, 17313), (3582, 17110), (3980, 15399), (5133, 11940), (5220, 11741), (5310, 11542), (5771, 10620), (5970, 10266), (6844, 8955), (7164, 8555)]