326942720

素因数分解:

$2^{14}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 847747824

約数和(自身を除く): 520805104

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 307, 320, 416, 512, 520, 614, 640, 832, 1024, 1040, 1228, 1280, 1535, 1664, 2048, 2080, 2456, 2560, 3070, 3328, 3991, 4096, 4160, 4912, 5120, 6140, 6656, 7982, 8192, 8320, 9824, 10240, 12280, 13312, 15964, 16384, 16640, 19648, 19955, 20480, 24560, 26624, 31928, 33280, 39296, 39910, 40960, 49120, 53248, 63856, 66560, 78592, 79820, 81920, 98240, 106496, 127712, 133120, 157184, 159640, 196480, 212992, 255424, 266240, 314368, 319280, 392960, 510848, 532480, 628736, 638560, 785920, 1021696, 1064960, 1257472, 1277120, 1571840, 2043392, 2514944, 2554240, 3143680, 4086784, 5029888, 5108480, 6287360, 8173568, 10216960, 12574720, 16347136, 20433920, 25149440, 32694272, 40867840, 65388544, 81735680, 163471360, 326942720]

約数ペア:

[(1, 326942720), (2, 163471360), (4, 81735680), (5, 65388544), (8, 40867840), (10, 32694272), (13, 25149440), (16, 20433920), (20, 16347136), (26, 12574720), (32, 10216960), (40, 8173568), (52, 6287360), (64, 5108480), (65, 5029888), (80, 4086784), (104, 3143680), (128, 2554240), (130, 2514944), (160, 2043392), (208, 1571840), (256, 1277120), (260, 1257472), (307, 1064960), (320, 1021696), (416, 785920), (512, 638560), (520, 628736), (614, 532480), (640, 510848), (832, 392960), (1024, 319280), (1040, 314368), (1228, 266240), (1280, 255424), (1535, 212992), (1664, 196480), (2048, 159640), (2080, 157184), (2456, 133120), (2560, 127712), (3070, 106496), (3328, 98240), (3991, 81920), (4096, 79820), (4160, 78592), (4912, 66560), (5120, 63856), (6140, 53248), (6656, 49120), (7982, 40960), (8192, 39910), (8320, 39296), (9824, 33280), (10240, 31928), (12280, 26624), (13312, 24560), (15964, 20480), (16384, 19955), (16640, 19648)]