638790720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{653}}^1\times {\mathrm{1019}}^1$

素因数の和:1692

約数の個数: 112

約数和(自身を含む): 2033259840

約数和(自身を除く): 1394469120

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, 160, 192, 240, 320, 480, 653, 960, 1019, 1306, 1959, 2038, 2612, 3057, 3265, 3918, 4076, 5095, 5224, 6114, 6530, 7836, 8152, 9795, 10190, 10448, 12228, 13060, 15285, 15672, 16304, 19590, 20380, 20896, 24456, 26120, 30570, 31344, 32608, 39180, 40760, 41792, 48912, 52240, 61140, 62688, 65216, 78360, 81520, 97824, 104480, 122280, 125376, 156720, 163040, 195648, 208960, 244560, 313440, 326080, 489120, 626880, 665407, 978240, 1330814, 1996221, 2661628, 3327035, 3992442, 5323256, 6654070, 7984884, 9981105, 10646512, 13308140, 15969768, 19962210, 21293024, 26616280, 31939536, 39924420, 42586048, 53232560, 63879072, 79848840, 106465120, 127758144, 159697680, 212930240, 319395360, 638790720]

約数ペア:

[(1, 638790720), (2, 319395360), (3, 212930240), (4, 159697680), (5, 127758144), (6, 106465120), (8, 79848840), (10, 63879072), (12, 53232560), (15, 42586048), (16, 39924420), (20, 31939536), (24, 26616280), (30, 21293024), (32, 19962210), (40, 15969768), (48, 13308140), (60, 10646512), (64, 9981105), (80, 7984884), (96, 6654070), (120, 5323256), (160, 3992442), (192, 3327035), (240, 2661628), (320, 1996221), (480, 1330814), (653, 978240), (960, 665407), (1019, 626880), (1306, 489120), (1959, 326080), (2038, 313440), (2612, 244560), (3057, 208960), (3265, 195648), (3918, 163040), (4076, 156720), (5095, 125376), (5224, 122280), (6114, 104480), (6530, 97824), (7836, 81520), (8152, 78360), (9795, 65216), (10190, 62688), (10448, 61140), (12228, 52240), (13060, 48912), (15285, 41792), (15672, 40760), (16304, 39180), (19590, 32608), (20380, 31344), (20896, 30570), (24456, 26120)]