243361120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 645215760

約数和(自身を除く): 401854640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 277, 289, 304, 323, 340, 380, 544, 554, 578, 608, 646, 680, 760, 1108, 1156, 1292, 1360, 1385, 1445, 1520, 1615, 2216, 2312, 2584, 2720, 2770, 2890, 3040, 3230, 4432, 4624, 4709, 5168, 5263, 5491, 5540, 5780, 6460, 8864, 9248, 9418, 10336, 10526, 10982, 11080, 11560, 12920, 18836, 21052, 21964, 22160, 23120, 23545, 25840, 26315, 27455, 37672, 42104, 43928, 44320, 46240, 47090, 51680, 52630, 54910, 75344, 80053, 84208, 87856, 89471, 94180, 105260, 109820, 150688, 160106, 168416, 175712, 178942, 188360, 210520, 219640, 320212, 357884, 376720, 400265, 421040, 439280, 447355, 640424, 715768, 753440, 800530, 842080, 878560, 894710, 1280848, 1431536, 1521007, 1601060, 1789420, 2561696, 2863072, 3042014, 3202120, 3578840, 6084028, 6404240, 7157680, 7605035, 12168056, 12808480, 14315360, 15210070, 24336112, 30420140, 48672224, 60840280, 121680560, 243361120]

約数ペア:

[(1, 243361120), (2, 121680560), (4, 60840280), (5, 48672224), (8, 30420140), (10, 24336112), (16, 15210070), (17, 14315360), (19, 12808480), (20, 12168056), (32, 7605035), (34, 7157680), (38, 6404240), (40, 6084028), (68, 3578840), (76, 3202120), (80, 3042014), (85, 2863072), (95, 2561696), (136, 1789420), (152, 1601060), (160, 1521007), (170, 1431536), (190, 1280848), (272, 894710), (277, 878560), (289, 842080), (304, 800530), (323, 753440), (340, 715768), (380, 640424), (544, 447355), (554, 439280), (578, 421040), (608, 400265), (646, 376720), (680, 357884), (760, 320212), (1108, 219640), (1156, 210520), (1292, 188360), (1360, 178942), (1385, 175712), (1445, 168416), (1520, 160106), (1615, 150688), (2216, 109820), (2312, 105260), (2584, 94180), (2720, 89471), (2770, 87856), (2890, 84208), (3040, 80053), (3230, 75344), (4432, 54910), (4624, 52630), (4709, 51680), (5168, 47090), (5263, 46240), (5491, 44320), (5540, 43928), (5780, 42104), (6460, 37672), (8864, 27455), (9248, 26315), (9418, 25840), (10336, 23545), (10526, 23120), (10982, 22160), (11080, 21964), (11560, 21052), (12920, 18836)]