31447680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1522

約数の個数: 128

約数和(自身を含む): 109425600

約数和(自身を除く): 77977920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1489, 1760, 1920, 2112, 2640, 2978, 3520, 4224, 4467, 5280, 5956, 7040, 7445, 8934, 10560, 11912, 14890, 16379, 17868, 21120, 22335, 23824, 29780, 32758, 35736, 44670, 47648, 49137, 59560, 65516, 71472, 81895, 89340, 95296, 98274, 119120, 131032, 142944, 163790, 178680, 190592, 196548, 238240, 245685, 262064, 285888, 327580, 357360, 393096, 476480, 491370, 524128, 571776, 655160, 714720, 786192, 952960, 982740, 1048256, 1310320, 1429440, 1572384, 1965480, 2096512, 2620640, 2858880, 3144768, 3930960, 5241280, 6289536, 7861920, 10482560, 15723840, 31447680]

約数ペア:

[(1, 31447680), (2, 15723840), (3, 10482560), (4, 7861920), (5, 6289536), (6, 5241280), (8, 3930960), (10, 3144768), (11, 2858880), (12, 2620640), (15, 2096512), (16, 1965480), (20, 1572384), (22, 1429440), (24, 1310320), (30, 1048256), (32, 982740), (33, 952960), (40, 786192), (44, 714720), (48, 655160), (55, 571776), (60, 524128), (64, 491370), (66, 476480), (80, 393096), (88, 357360), (96, 327580), (110, 285888), (120, 262064), (128, 245685), (132, 238240), (160, 196548), (165, 190592), (176, 178680), (192, 163790), (220, 142944), (240, 131032), (264, 119120), (320, 98274), (330, 95296), (352, 89340), (384, 81895), (440, 71472), (480, 65516), (528, 59560), (640, 49137), (660, 47648), (704, 44670), (880, 35736), (960, 32758), (1056, 29780), (1320, 23824), (1408, 22335), (1489, 21120), (1760, 17868), (1920, 16379), (2112, 14890), (2640, 11912), (2978, 10560), (3520, 8934), (4224, 7445), (4467, 7040), (5280, 5956)]