15380640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:1003

約数の個数: 144

約数和(自身を含む): 57316896

約数和(自身を除く): 41936256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 971, 990, 1056, 1320, 1440, 1584, 1760, 1942, 1980, 2640, 2913, 3168, 3884, 3960, 4855, 5280, 5826, 7768, 7920, 8739, 9710, 10681, 11652, 14565, 15536, 15840, 17478, 19420, 21362, 23304, 29130, 31072, 32043, 34956, 38840, 42724, 43695, 46608, 53405, 58260, 64086, 69912, 77680, 85448, 87390, 93216, 96129, 106810, 116520, 128172, 139824, 155360, 160215, 170896, 174780, 192258, 213620, 233040, 256344, 279648, 320430, 341792, 349560, 384516, 427240, 466080, 480645, 512688, 640860, 699120, 769032, 854480, 961290, 1025376, 1281720, 1398240, 1538064, 1708960, 1922580, 2563440, 3076128, 3845160, 5126880, 7690320, 15380640]

約数ペア:

[(1, 15380640), (2, 7690320), (3, 5126880), (4, 3845160), (5, 3076128), (6, 2563440), (8, 1922580), (9, 1708960), (10, 1538064), (11, 1398240), (12, 1281720), (15, 1025376), (16, 961290), (18, 854480), (20, 769032), (22, 699120), (24, 640860), (30, 512688), (32, 480645), (33, 466080), (36, 427240), (40, 384516), (44, 349560), (45, 341792), (48, 320430), (55, 279648), (60, 256344), (66, 233040), (72, 213620), (80, 192258), (88, 174780), (90, 170896), (96, 160215), (99, 155360), (110, 139824), (120, 128172), (132, 116520), (144, 106810), (160, 96129), (165, 93216), (176, 87390), (180, 85448), (198, 77680), (220, 69912), (240, 64086), (264, 58260), (288, 53405), (330, 46608), (352, 43695), (360, 42724), (396, 38840), (440, 34956), (480, 32043), (495, 31072), (528, 29130), (660, 23304), (720, 21362), (792, 19420), (880, 17478), (971, 15840), (990, 15536), (1056, 14565), (1320, 11652), (1440, 10681), (1584, 9710), (1760, 8739), (1942, 7920), (1980, 7768), (2640, 5826), (2913, 5280), (3168, 4855), (3884, 3960)]