289451880

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:430

約数の個数: 192

約数和(自身を含む): 988827840

約数和(自身を除く): 699375960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 97, 108, 120, 135, 162, 180, 194, 216, 243, 270, 291, 307, 324, 360, 388, 405, 485, 486, 540, 582, 614, 648, 776, 810, 873, 921, 970, 972, 1080, 1164, 1215, 1228, 1455, 1535, 1620, 1746, 1842, 1940, 1944, 2328, 2430, 2456, 2619, 2763, 2910, 3070, 3240, 3492, 3684, 3880, 4365, 4605, 4860, 5238, 5526, 5820, 6140, 6984, 7368, 7857, 8289, 8730, 9210, 9720, 10476, 11052, 11640, 12280, 13095, 13815, 15714, 16578, 17460, 18420, 20952, 22104, 23571, 24867, 26190, 27630, 29779, 31428, 33156, 34920, 36840, 39285, 41445, 47142, 49734, 52380, 55260, 59558, 62856, 66312, 74601, 78570, 82890, 89337, 94284, 99468, 104760, 110520, 117855, 119116, 124335, 148895, 149202, 157140, 165780, 178674, 188568, 198936, 235710, 238232, 248670, 268011, 297790, 298404, 314280, 331560, 357348, 373005, 446685, 471420, 497340, 536022, 595580, 596808, 714696, 746010, 804033, 893370, 942840, 994680, 1072044, 1191160, 1340055, 1492020, 1608066, 1786740, 2144088, 2412099, 2680110, 2984040, 3216132, 3573480, 4020165, 4824198, 5360220, 6432264, 7236297, 8040330, 9648396, 10720440, 12060495, 14472594, 16080660, 19296792, 24120990, 28945188, 32161320, 36181485, 48241980, 57890376, 72362970, 96483960, 144725940, 289451880]

約数ペア:

[(1, 289451880), (2, 144725940), (3, 96483960), (4, 72362970), (5, 57890376), (6, 48241980), (8, 36181485), (9, 32161320), (10, 28945188), (12, 24120990), (15, 19296792), (18, 16080660), (20, 14472594), (24, 12060495), (27, 10720440), (30, 9648396), (36, 8040330), (40, 7236297), (45, 6432264), (54, 5360220), (60, 4824198), (72, 4020165), (81, 3573480), (90, 3216132), (97, 2984040), (108, 2680110), (120, 2412099), (135, 2144088), (162, 1786740), (180, 1608066), (194, 1492020), (216, 1340055), (243, 1191160), (270, 1072044), (291, 994680), (307, 942840), (324, 893370), (360, 804033), (388, 746010), (405, 714696), (485, 596808), (486, 595580), (540, 536022), (582, 497340), (614, 471420), (648, 446685), (776, 373005), (810, 357348), (873, 331560), (921, 314280), (970, 298404), (972, 297790), (1080, 268011), (1164, 248670), (1215, 238232), (1228, 235710), (1455, 198936), (1535, 188568), (1620, 178674), (1746, 165780), (1842, 157140), (1940, 149202), (1944, 148895), (2328, 124335), (2430, 119116), (2456, 117855), (2619, 110520), (2763, 104760), (2910, 99468), (3070, 94284), (3240, 89337), (3492, 82890), (3684, 78570), (3880, 74601), (4365, 66312), (4605, 62856), (4860, 59558), (5238, 55260), (5526, 52380), (5820, 49734), (6140, 47142), (6984, 41445), (7368, 39285), (7857, 36840), (8289, 34920), (8730, 33156), (9210, 31428), (9720, 29779), (10476, 27630), (11052, 26190), (11640, 24867), (12280, 23571), (13095, 22104), (13815, 20952), (15714, 18420), (16578, 17460)]