205678980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:467

約数の個数: 192

約数和(自身を含む): 699390720

約数和(自身を除く): 493711740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 83, 90, 108, 117, 130, 135, 156, 166, 180, 195, 234, 249, 260, 270, 332, 351, 353, 390, 415, 468, 498, 540, 585, 702, 706, 747, 780, 830, 996, 1059, 1079, 1170, 1245, 1404, 1412, 1494, 1660, 1755, 1765, 2118, 2158, 2241, 2340, 2490, 2988, 3177, 3237, 3510, 3530, 3735, 4236, 4316, 4482, 4589, 4980, 5295, 5395, 6354, 6474, 7020, 7060, 7470, 8964, 9178, 9531, 9711, 10590, 10790, 11205, 12708, 12948, 13767, 14940, 15885, 16185, 18356, 19062, 19422, 21180, 21580, 22410, 22945, 27534, 29133, 29299, 31770, 32370, 38124, 38844, 41301, 44820, 45890, 47655, 48555, 55068, 58266, 58598, 63540, 64740, 68835, 82602, 87897, 91780, 95310, 97110, 116532, 117196, 123903, 137670, 145665, 146495, 165204, 175794, 190620, 194220, 206505, 247806, 263691, 275340, 291330, 292990, 351588, 380887, 413010, 439485, 495612, 527382, 582660, 585980, 619515, 761774, 791073, 826020, 878970, 1054764, 1142661, 1239030, 1318455, 1523548, 1582146, 1757940, 1904435, 2285322, 2478060, 2636910, 3164292, 3427983, 3808870, 3955365, 4570644, 5273820, 5713305, 6855966, 7617740, 7910730, 10283949, 11426610, 13711932, 15821460, 17139915, 20567898, 22853220, 34279830, 41135796, 51419745, 68559660, 102839490, 205678980]

約数ペア:

[(1, 205678980), (2, 102839490), (3, 68559660), (4, 51419745), (5, 41135796), (6, 34279830), (9, 22853220), (10, 20567898), (12, 17139915), (13, 15821460), (15, 13711932), (18, 11426610), (20, 10283949), (26, 7910730), (27, 7617740), (30, 6855966), (36, 5713305), (39, 5273820), (45, 4570644), (52, 3955365), (54, 3808870), (60, 3427983), (65, 3164292), (78, 2636910), (83, 2478060), (90, 2285322), (108, 1904435), (117, 1757940), (130, 1582146), (135, 1523548), (156, 1318455), (166, 1239030), (180, 1142661), (195, 1054764), (234, 878970), (249, 826020), (260, 791073), (270, 761774), (332, 619515), (351, 585980), (353, 582660), (390, 527382), (415, 495612), (468, 439485), (498, 413010), (540, 380887), (585, 351588), (702, 292990), (706, 291330), (747, 275340), (780, 263691), (830, 247806), (996, 206505), (1059, 194220), (1079, 190620), (1170, 175794), (1245, 165204), (1404, 146495), (1412, 145665), (1494, 137670), (1660, 123903), (1755, 117196), (1765, 116532), (2118, 97110), (2158, 95310), (2241, 91780), (2340, 87897), (2490, 82602), (2988, 68835), (3177, 64740), (3237, 63540), (3510, 58598), (3530, 58266), (3735, 55068), (4236, 48555), (4316, 47655), (4482, 45890), (4589, 44820), (4980, 41301), (5295, 38844), (5395, 38124), (6354, 32370), (6474, 31770), (7020, 29299), (7060, 29133), (7470, 27534), (8964, 22945), (9178, 22410), (9531, 21580), (9711, 21180), (10590, 19422), (10790, 19062), (11205, 18356), (12708, 16185), (12948, 15885), (13767, 14940)]