17101980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{277}}^1$

素因数の和:313

約数の個数: 144

約数和(自身を含む): 60715200

約数和(自身を除く): 43613220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 277, 294, 315, 343, 420, 441, 490, 554, 588, 630, 686, 735, 831, 882, 980, 1029, 1108, 1260, 1372, 1385, 1470, 1662, 1715, 1764, 1939, 2058, 2205, 2493, 2770, 2940, 3087, 3324, 3430, 3878, 4116, 4155, 4410, 4986, 5145, 5540, 5817, 6174, 6860, 7756, 8310, 8820, 9695, 9972, 10290, 11634, 12348, 12465, 13573, 15435, 16620, 17451, 19390, 20580, 23268, 24930, 27146, 29085, 30870, 34902, 38780, 40719, 49860, 54292, 58170, 61740, 67865, 69804, 81438, 87255, 95011, 116340, 122157, 135730, 162876, 174510, 190022, 203595, 244314, 271460, 285033, 349020, 380044, 407190, 475055, 488628, 570066, 610785, 814380, 855099, 950110, 1140132, 1221570, 1425165, 1710198, 1900220, 2443140, 2850330, 3420396, 4275495, 5700660, 8550990, 17101980]

約数ペア:

[(1, 17101980), (2, 8550990), (3, 5700660), (4, 4275495), (5, 3420396), (6, 2850330), (7, 2443140), (9, 1900220), (10, 1710198), (12, 1425165), (14, 1221570), (15, 1140132), (18, 950110), (20, 855099), (21, 814380), (28, 610785), (30, 570066), (35, 488628), (36, 475055), (42, 407190), (45, 380044), (49, 349020), (60, 285033), (63, 271460), (70, 244314), (84, 203595), (90, 190022), (98, 174510), (105, 162876), (126, 135730), (140, 122157), (147, 116340), (180, 95011), (196, 87255), (210, 81438), (245, 69804), (252, 67865), (277, 61740), (294, 58170), (315, 54292), (343, 49860), (420, 40719), (441, 38780), (490, 34902), (554, 30870), (588, 29085), (630, 27146), (686, 24930), (735, 23268), (831, 20580), (882, 19390), (980, 17451), (1029, 16620), (1108, 15435), (1260, 13573), (1372, 12465), (1385, 12348), (1470, 11634), (1662, 10290), (1715, 9972), (1764, 9695), (1939, 8820), (2058, 8310), (2205, 7756), (2493, 6860), (2770, 6174), (2940, 5817), (3087, 5540), (3324, 5145), (3430, 4986), (3878, 4410), (4116, 4155)]