51213120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7648

約数の個数: 112

約数和(自身を含む): 185854848

約数和(自身を除く): 134641728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 7621, 15242, 22863, 30484, 38105, 45726, 53347, 60968, 76210, 91452, 106694, 114315, 121936, 152420, 160041, 182904, 213388, 228630, 243872, 266735, 304840, 320082, 365808, 426776, 457260, 487744, 533470, 609680, 640164, 731616, 800205, 853552, 914520, 1066940, 1219360, 1280328, 1463232, 1600410, 1707104, 1829040, 2133880, 2438720, 2560656, 3200820, 3414208, 3658080, 4267760, 5121312, 6401640, 7316160, 8535520, 10242624, 12803280, 17071040, 25606560, 51213120]

約数ペア:

[(1, 51213120), (2, 25606560), (3, 17071040), (4, 12803280), (5, 10242624), (6, 8535520), (7, 7316160), (8, 6401640), (10, 5121312), (12, 4267760), (14, 3658080), (15, 3414208), (16, 3200820), (20, 2560656), (21, 2438720), (24, 2133880), (28, 1829040), (30, 1707104), (32, 1600410), (35, 1463232), (40, 1280328), (42, 1219360), (48, 1066940), (56, 914520), (60, 853552), (64, 800205), (70, 731616), (80, 640164), (84, 609680), (96, 533470), (105, 487744), (112, 457260), (120, 426776), (140, 365808), (160, 320082), (168, 304840), (192, 266735), (210, 243872), (224, 228630), (240, 213388), (280, 182904), (320, 160041), (336, 152420), (420, 121936), (448, 114315), (480, 106694), (560, 91452), (672, 76210), (840, 60968), (960, 53347), (1120, 45726), (1344, 38105), (1680, 30484), (2240, 22863), (3360, 15242), (6720, 7621)]