638761920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9931}}^1$

素因数の和:10018

約数の個数: 112

約数和(自身を含む): 2058546048

約数和(自身を除く): 1419784128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 134, 160, 192, 201, 240, 268, 320, 335, 402, 480, 536, 670, 804, 960, 1005, 1072, 1340, 1608, 2010, 2144, 2680, 3216, 4020, 4288, 5360, 6432, 8040, 9931, 10720, 12864, 16080, 19862, 21440, 29793, 32160, 39724, 49655, 59586, 64320, 79448, 99310, 119172, 148965, 158896, 198620, 238344, 297930, 317792, 397240, 476688, 595860, 635584, 665377, 794480, 953376, 1191720, 1330754, 1588960, 1906752, 1996131, 2383440, 2661508, 3177920, 3326885, 3992262, 4766880, 5323016, 6653770, 7984524, 9533760, 9980655, 10646032, 13307540, 15969048, 19961310, 21292064, 26615080, 31938096, 39922620, 42584128, 53230160, 63876192, 79845240, 106460320, 127752384, 159690480, 212920640, 319380960, 638761920]

約数ペア:

[(1, 638761920), (2, 319380960), (3, 212920640), (4, 159690480), (5, 127752384), (6, 106460320), (8, 79845240), (10, 63876192), (12, 53230160), (15, 42584128), (16, 39922620), (20, 31938096), (24, 26615080), (30, 21292064), (32, 19961310), (40, 15969048), (48, 13307540), (60, 10646032), (64, 9980655), (67, 9533760), (80, 7984524), (96, 6653770), (120, 5323016), (134, 4766880), (160, 3992262), (192, 3326885), (201, 3177920), (240, 2661508), (268, 2383440), (320, 1996131), (335, 1906752), (402, 1588960), (480, 1330754), (536, 1191720), (670, 953376), (804, 794480), (960, 665377), (1005, 635584), (1072, 595860), (1340, 476688), (1608, 397240), (2010, 317792), (2144, 297930), (2680, 238344), (3216, 198620), (4020, 158896), (4288, 148965), (5360, 119172), (6432, 99310), (8040, 79448), (9931, 64320), (10720, 59586), (12864, 49655), (16080, 39724), (19862, 32160), (21440, 29793)]