641925120

素因数分解:

$2^{16}\times 3^1\times 5^1\times {\mathrm{653}}^1$

素因数の和:693

約数の個数: 136

約数和(自身を含む): 2057290416

約数和(自身を除く): 1415365296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 653, 768, 960, 1024, 1280, 1306, 1536, 1920, 1959, 2048, 2560, 2612, 3072, 3265, 3840, 3918, 4096, 5120, 5224, 6144, 6530, 7680, 7836, 8192, 9795, 10240, 10448, 12288, 13060, 15360, 15672, 16384, 19590, 20480, 20896, 24576, 26120, 30720, 31344, 32768, 39180, 40960, 41792, 49152, 52240, 61440, 62688, 65536, 78360, 81920, 83584, 98304, 104480, 122880, 125376, 156720, 163840, 167168, 196608, 208960, 245760, 250752, 313440, 327680, 334336, 417920, 491520, 501504, 626880, 668672, 835840, 983040, 1003008, 1253760, 1337344, 1671680, 2006016, 2507520, 2674688, 3343360, 4012032, 5015040, 5349376, 6686720, 8024064, 10030080, 10698752, 13373440, 16048128, 20060160, 21397504, 26746880, 32096256, 40120320, 42795008, 53493760, 64192512, 80240640, 106987520, 128385024, 160481280, 213975040, 320962560, 641925120]

約数ペア:

[(1, 641925120), (2, 320962560), (3, 213975040), (4, 160481280), (5, 128385024), (6, 106987520), (8, 80240640), (10, 64192512), (12, 53493760), (15, 42795008), (16, 40120320), (20, 32096256), (24, 26746880), (30, 21397504), (32, 20060160), (40, 16048128), (48, 13373440), (60, 10698752), (64, 10030080), (80, 8024064), (96, 6686720), (120, 5349376), (128, 5015040), (160, 4012032), (192, 3343360), (240, 2674688), (256, 2507520), (320, 2006016), (384, 1671680), (480, 1337344), (512, 1253760), (640, 1003008), (653, 983040), (768, 835840), (960, 668672), (1024, 626880), (1280, 501504), (1306, 491520), (1536, 417920), (1920, 334336), (1959, 327680), (2048, 313440), (2560, 250752), (2612, 245760), (3072, 208960), (3265, 196608), (3840, 167168), (3918, 163840), (4096, 156720), (5120, 125376), (5224, 122880), (6144, 104480), (6530, 98304), (7680, 83584), (7836, 81920), (8192, 78360), (9795, 65536), (10240, 62688), (10448, 61440), (12288, 52240), (13060, 49152), (15360, 41792), (15672, 40960), (16384, 39180), (19590, 32768), (20480, 31344), (20896, 30720), (24576, 26120)]