257968260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:483

約数の個数: 192

約数和(自身を含む): 884701440

約数和(自身を除く): 626733180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 137, 165, 180, 198, 220, 270, 274, 297, 317, 330, 396, 411, 495, 540, 548, 594, 634, 660, 685, 822, 951, 990, 1188, 1233, 1268, 1370, 1485, 1507, 1585, 1644, 1902, 1980, 2055, 2466, 2740, 2853, 2970, 3014, 3170, 3487, 3699, 3804, 4110, 4521, 4755, 4932, 5706, 5940, 6028, 6165, 6340, 6974, 7398, 7535, 8220, 8559, 9042, 9510, 10461, 11412, 12330, 13563, 13948, 14265, 14796, 15070, 17118, 17435, 18084, 18495, 19020, 20922, 22605, 24660, 27126, 28530, 30140, 31383, 34236, 34870, 36990, 40689, 41844, 42795, 43429, 45210, 52305, 54252, 57060, 62766, 67815, 69740, 73980, 81378, 85590, 86858, 90420, 94149, 104610, 125532, 130287, 135630, 156915, 162756, 171180, 173716, 188298, 203445, 209220, 217145, 260574, 271260, 313830, 376596, 390861, 406890, 434290, 470745, 477719, 521148, 627660, 651435, 781722, 813780, 868580, 941490, 955438, 1172583, 1302870, 1433157, 1563444, 1882980, 1910876, 1954305, 2345166, 2388595, 2605740, 2866314, 3908610, 4299471, 4690332, 4777190, 5732628, 5862915, 7165785, 7817220, 8598942, 9554380, 11725830, 12898413, 14331570, 17197884, 21497355, 23451660, 25796826, 28663140, 42994710, 51593652, 64492065, 85989420, 128984130, 257968260]

約数ペア:

[(1, 257968260), (2, 128984130), (3, 85989420), (4, 64492065), (5, 51593652), (6, 42994710), (9, 28663140), (10, 25796826), (11, 23451660), (12, 21497355), (15, 17197884), (18, 14331570), (20, 12898413), (22, 11725830), (27, 9554380), (30, 8598942), (33, 7817220), (36, 7165785), (44, 5862915), (45, 5732628), (54, 4777190), (55, 4690332), (60, 4299471), (66, 3908610), (90, 2866314), (99, 2605740), (108, 2388595), (110, 2345166), (132, 1954305), (135, 1910876), (137, 1882980), (165, 1563444), (180, 1433157), (198, 1302870), (220, 1172583), (270, 955438), (274, 941490), (297, 868580), (317, 813780), (330, 781722), (396, 651435), (411, 627660), (495, 521148), (540, 477719), (548, 470745), (594, 434290), (634, 406890), (660, 390861), (685, 376596), (822, 313830), (951, 271260), (990, 260574), (1188, 217145), (1233, 209220), (1268, 203445), (1370, 188298), (1485, 173716), (1507, 171180), (1585, 162756), (1644, 156915), (1902, 135630), (1980, 130287), (2055, 125532), (2466, 104610), (2740, 94149), (2853, 90420), (2970, 86858), (3014, 85590), (3170, 81378), (3487, 73980), (3699, 69740), (3804, 67815), (4110, 62766), (4521, 57060), (4755, 54252), (4932, 52305), (5706, 45210), (5940, 43429), (6028, 42795), (6165, 41844), (6340, 40689), (6974, 36990), (7398, 34870), (7535, 34236), (8220, 31383), (8559, 30140), (9042, 28530), (9510, 27126), (10461, 24660), (11412, 22605), (12330, 20922), (13563, 19020), (13948, 18495), (14265, 18084), (14796, 17435), (15070, 17118)]