51812640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3271}}^1$

素因数の和:3303

約数の個数: 144

約数和(自身を含む): 192943296

約数和(自身を除く): 141130656

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, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3271, 3960, 5280, 6542, 7920, 9813, 13084, 15840, 16355, 19626, 26168, 29439, 32710, 35981, 39252, 49065, 52336, 58878, 65420, 71962, 78504, 98130, 104672, 107943, 117756, 130840, 143924, 147195, 157008, 179905, 196260, 215886, 235512, 261680, 287848, 294390, 314016, 323829, 359810, 392520, 431772, 471024, 523360, 539715, 575696, 588780, 647658, 719620, 785040, 863544, 942048, 1079430, 1151392, 1177560, 1295316, 1439240, 1570080, 1619145, 1727088, 2158860, 2355120, 2590632, 2878480, 3238290, 3454176, 4317720, 4710240, 5181264, 5756960, 6476580, 8635440, 10362528, 12953160, 17270880, 25906320, 51812640]

約数ペア:

[(1, 51812640), (2, 25906320), (3, 17270880), (4, 12953160), (5, 10362528), (6, 8635440), (8, 6476580), (9, 5756960), (10, 5181264), (11, 4710240), (12, 4317720), (15, 3454176), (16, 3238290), (18, 2878480), (20, 2590632), (22, 2355120), (24, 2158860), (30, 1727088), (32, 1619145), (33, 1570080), (36, 1439240), (40, 1295316), (44, 1177560), (45, 1151392), (48, 1079430), (55, 942048), (60, 863544), (66, 785040), (72, 719620), (80, 647658), (88, 588780), (90, 575696), (96, 539715), (99, 523360), (110, 471024), (120, 431772), (132, 392520), (144, 359810), (160, 323829), (165, 314016), (176, 294390), (180, 287848), (198, 261680), (220, 235512), (240, 215886), (264, 196260), (288, 179905), (330, 157008), (352, 147195), (360, 143924), (396, 130840), (440, 117756), (480, 107943), (495, 104672), (528, 98130), (660, 78504), (720, 71962), (792, 65420), (880, 58878), (990, 52336), (1056, 49065), (1320, 39252), (1440, 35981), (1584, 32710), (1760, 29439), (1980, 26168), (2640, 19626), (3168, 16355), (3271, 15840), (3960, 13084), (5280, 9813), (6542, 7920)]