64290520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 111965480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 67, 70, 92, 115, 134, 140, 149, 161, 184, 230, 268, 280, 298, 322, 335, 460, 469, 536, 596, 644, 670, 745, 805, 920, 938, 1043, 1192, 1288, 1340, 1490, 1541, 1610, 1876, 2086, 2345, 2680, 2980, 3082, 3220, 3427, 3752, 4172, 4690, 5215, 5960, 6164, 6440, 6854, 7705, 8344, 9380, 9983, 10430, 10787, 12328, 13708, 15410, 17135, 18760, 19966, 20860, 21574, 23989, 27416, 30820, 34270, 39932, 41720, 43148, 47978, 49915, 53935, 61640, 68540, 69881, 79864, 86296, 95956, 99830, 107870, 119945, 137080, 139762, 191912, 199660, 215740, 229609, 239890, 279524, 349405, 399320, 431480, 459218, 479780, 559048, 698810, 918436, 959560, 1148045, 1397620, 1607263, 1836872, 2296090, 2795240, 3214526, 4592180, 6429052, 8036315, 9184360, 12858104, 16072630, 32145260, 64290520]

約数ペア:

[(1, 64290520), (2, 32145260), (4, 16072630), (5, 12858104), (7, 9184360), (8, 8036315), (10, 6429052), (14, 4592180), (20, 3214526), (23, 2795240), (28, 2296090), (35, 1836872), (40, 1607263), (46, 1397620), (56, 1148045), (67, 959560), (70, 918436), (92, 698810), (115, 559048), (134, 479780), (140, 459218), (149, 431480), (161, 399320), (184, 349405), (230, 279524), (268, 239890), (280, 229609), (298, 215740), (322, 199660), (335, 191912), (460, 139762), (469, 137080), (536, 119945), (596, 107870), (644, 99830), (670, 95956), (745, 86296), (805, 79864), (920, 69881), (938, 68540), (1043, 61640), (1192, 53935), (1288, 49915), (1340, 47978), (1490, 43148), (1541, 41720), (1610, 39932), (1876, 34270), (2086, 30820), (2345, 27416), (2680, 23989), (2980, 21574), (3082, 20860), (3220, 19966), (3427, 18760), (3752, 17135), (4172, 15410), (4690, 13708), (5215, 12328), (5960, 10787), (6164, 10430), (6440, 9983), (6854, 9380), (7705, 8344)]