1640017920

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{26693}}^1$

素因数の和:26725

約数の個数: 104

約数和(自身を含む): 5247613296

約数和(自身を除く): 3607595376

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, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 7680, 10240, 12288, 15360, 20480, 26693, 30720, 53386, 61440, 80079, 106772, 133465, 160158, 213544, 266930, 320316, 400395, 427088, 533860, 640632, 800790, 854176, 1067720, 1281264, 1601580, 1708352, 2135440, 2562528, 3203160, 3416704, 4270880, 5125056, 6406320, 6833408, 8541760, 10250112, 12812640, 13666816, 17083520, 20500224, 25625280, 27333632, 34167040, 41000448, 51250560, 54667264, 68334080, 82000896, 102501120, 109334528, 136668160, 164001792, 205002240, 273336320, 328003584, 410004480, 546672640, 820008960, 1640017920]

約数ペア:

[(1, 1640017920), (2, 820008960), (3, 546672640), (4, 410004480), (5, 328003584), (6, 273336320), (8, 205002240), (10, 164001792), (12, 136668160), (15, 109334528), (16, 102501120), (20, 82000896), (24, 68334080), (30, 54667264), (32, 51250560), (40, 41000448), (48, 34167040), (60, 27333632), (64, 25625280), (80, 20500224), (96, 17083520), (120, 13666816), (128, 12812640), (160, 10250112), (192, 8541760), (240, 6833408), (256, 6406320), (320, 5125056), (384, 4270880), (480, 3416704), (512, 3203160), (640, 2562528), (768, 2135440), (960, 1708352), (1024, 1601580), (1280, 1281264), (1536, 1067720), (1920, 854176), (2048, 800790), (2560, 640632), (3072, 533860), (3840, 427088), (4096, 400395), (5120, 320316), (6144, 266930), (7680, 213544), (10240, 160158), (12288, 133465), (15360, 106772), (20480, 80079), (26693, 61440), (30720, 53386)]