77397760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 211921920

約数和(自身を除く): 134524160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 128, 160, 176, 184, 220, 230, 239, 253, 256, 320, 352, 368, 440, 460, 478, 506, 640, 704, 736, 880, 920, 956, 1012, 1195, 1265, 1280, 1408, 1472, 1760, 1840, 1912, 2024, 2390, 2530, 2629, 2816, 2944, 3520, 3680, 3824, 4048, 4780, 5060, 5258, 5497, 5888, 7040, 7360, 7648, 8096, 9560, 10120, 10516, 10994, 13145, 14080, 14720, 15296, 16192, 19120, 20240, 21032, 21988, 26290, 27485, 29440, 30592, 32384, 38240, 40480, 42064, 43976, 52580, 54970, 60467, 61184, 64768, 76480, 80960, 84128, 87952, 105160, 109940, 120934, 152960, 161920, 168256, 175904, 210320, 219880, 241868, 302335, 305920, 323840, 336512, 351808, 420640, 439760, 483736, 604670, 673024, 703616, 841280, 879520, 967472, 1209340, 1407232, 1682560, 1759040, 1934944, 2418680, 3365120, 3518080, 3869888, 4837360, 7036160, 7739776, 9674720, 15479552, 19349440, 38698880, 77397760]

約数ペア:

[(1, 77397760), (2, 38698880), (4, 19349440), (5, 15479552), (8, 9674720), (10, 7739776), (11, 7036160), (16, 4837360), (20, 3869888), (22, 3518080), (23, 3365120), (32, 2418680), (40, 1934944), (44, 1759040), (46, 1682560), (55, 1407232), (64, 1209340), (80, 967472), (88, 879520), (92, 841280), (110, 703616), (115, 673024), (128, 604670), (160, 483736), (176, 439760), (184, 420640), (220, 351808), (230, 336512), (239, 323840), (253, 305920), (256, 302335), (320, 241868), (352, 219880), (368, 210320), (440, 175904), (460, 168256), (478, 161920), (506, 152960), (640, 120934), (704, 109940), (736, 105160), (880, 87952), (920, 84128), (956, 80960), (1012, 76480), (1195, 64768), (1265, 61184), (1280, 60467), (1408, 54970), (1472, 52580), (1760, 43976), (1840, 42064), (1912, 40480), (2024, 38240), (2390, 32384), (2530, 30592), (2629, 29440), (2816, 27485), (2944, 26290), (3520, 21988), (3680, 21032), (3824, 20240), (4048, 19120), (4780, 16192), (5060, 15296), (5258, 14720), (5497, 14080), (5888, 13145), (7040, 10994), (7360, 10516), (7648, 10120), (8096, 9560)]