1557247788120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{672143}}^1$

素因数の和:672649

約数の個数: 128

約数和(自身を含む): 4791042432000

約数和(自身を除く): 3233794643880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 449, 516, 645, 860, 898, 1032, 1290, 1347, 1720, 1796, 2245, 2580, 2694, 3592, 4490, 5160, 5388, 6735, 8980, 10776, 13470, 17960, 19307, 26940, 38614, 53880, 57921, 77228, 96535, 115842, 154456, 193070, 231684, 289605, 386140, 463368, 579210, 672143, 772280, 1158420, 1344286, 2016429, 2316840, 2688572, 3360715, 4032858, 5377144, 6721430, 8065716, 10082145, 13442860, 16131432, 20164290, 26885720, 28902149, 40328580, 57804298, 80657160, 86706447, 115608596, 144510745, 173412894, 231217192, 289021490, 301792207, 346825788, 433532235, 578042980, 603584414, 693651576, 867064470, 905376621, 1156085960, 1207168828, 1508961035, 1734128940, 1810753242, 2414337656, 3017922070, 3468257880, 3621506484, 4526883105, 6035844140, 7243012968, 9053766210, 12071688280, 12977064901, 18107532420, 25954129802, 36215064840, 38931194703, 51908259604, 64885324505, 77862389406, 103816519208, 129770649010, 155724778812, 194655973515, 259541298020, 311449557624, 389311947030, 519082596040, 778623894060, 1557247788120]

約数ペア:

[(1, 1557247788120), (2, 778623894060), (3, 519082596040), (4, 389311947030), (5, 311449557624), (6, 259541298020), (8, 194655973515), (10, 155724778812), (12, 129770649010), (15, 103816519208), (20, 77862389406), (24, 64885324505), (30, 51908259604), (40, 38931194703), (43, 36215064840), (60, 25954129802), (86, 18107532420), (120, 12977064901), (129, 12071688280), (172, 9053766210), (215, 7243012968), (258, 6035844140), (344, 4526883105), (430, 3621506484), (449, 3468257880), (516, 3017922070), (645, 2414337656), (860, 1810753242), (898, 1734128940), (1032, 1508961035), (1290, 1207168828), (1347, 1156085960), (1720, 905376621), (1796, 867064470), (2245, 693651576), (2580, 603584414), (2694, 578042980), (3592, 433532235), (4490, 346825788), (5160, 301792207), (5388, 289021490), (6735, 231217192), (8980, 173412894), (10776, 144510745), (13470, 115608596), (17960, 86706447), (19307, 80657160), (26940, 57804298), (38614, 40328580), (53880, 28902149), (57921, 26885720), (77228, 20164290), (96535, 16131432), (115842, 13442860), (154456, 10082145), (193070, 8065716), (231684, 6721430), (289605, 5377144), (386140, 4032858), (463368, 3360715), (579210, 2688572), (672143, 2316840), (772280, 2016429), (1158420, 1344286)]