1216985120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:443

約数の個数: 192

約数和(自身を含む): 3316432896

約数和(自身を除く): 2099447776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 127, 130, 136, 160, 170, 208, 221, 254, 260, 271, 272, 340, 416, 442, 508, 520, 542, 544, 635, 680, 884, 1016, 1040, 1084, 1105, 1270, 1355, 1360, 1651, 1768, 2032, 2080, 2159, 2168, 2210, 2540, 2710, 2720, 3302, 3523, 3536, 4064, 4318, 4336, 4420, 4607, 5080, 5420, 6604, 7046, 7072, 8255, 8636, 8672, 8840, 9214, 10160, 10795, 10840, 13208, 14092, 16510, 17272, 17615, 17680, 18428, 20320, 21590, 21680, 23035, 26416, 28067, 28184, 33020, 34417, 34544, 35230, 35360, 36856, 43180, 43360, 46070, 52832, 56134, 56368, 59891, 66040, 68834, 69088, 70460, 73712, 86360, 92140, 112268, 112736, 119782, 132080, 137668, 140335, 140920, 147424, 172085, 172720, 184280, 224536, 239564, 264160, 275336, 280670, 281840, 299455, 344170, 345440, 368560, 447421, 449072, 479128, 550672, 561340, 563680, 585089, 598910, 688340, 737120, 894842, 898144, 958256, 1101344, 1122680, 1170178, 1197820, 1376680, 1789684, 1916512, 2237105, 2245360, 2340356, 2395640, 2753360, 2925445, 3579368, 4474210, 4490720, 4680712, 4791280, 5506720, 5850890, 7158736, 7606157, 8948420, 9361424, 9582560, 11701780, 14317472, 15212314, 17896840, 18722848, 23403560, 30424628, 35793680, 38030785, 46807120, 60849256, 71587360, 76061570, 93614240, 121698512, 152123140, 243397024, 304246280, 608492560, 1216985120]

約数ペア:

[(1, 1216985120), (2, 608492560), (4, 304246280), (5, 243397024), (8, 152123140), (10, 121698512), (13, 93614240), (16, 76061570), (17, 71587360), (20, 60849256), (26, 46807120), (32, 38030785), (34, 35793680), (40, 30424628), (52, 23403560), (65, 18722848), (68, 17896840), (80, 15212314), (85, 14317472), (104, 11701780), (127, 9582560), (130, 9361424), (136, 8948420), (160, 7606157), (170, 7158736), (208, 5850890), (221, 5506720), (254, 4791280), (260, 4680712), (271, 4490720), (272, 4474210), (340, 3579368), (416, 2925445), (442, 2753360), (508, 2395640), (520, 2340356), (542, 2245360), (544, 2237105), (635, 1916512), (680, 1789684), (884, 1376680), (1016, 1197820), (1040, 1170178), (1084, 1122680), (1105, 1101344), (1270, 958256), (1355, 898144), (1360, 894842), (1651, 737120), (1768, 688340), (2032, 598910), (2080, 585089), (2159, 563680), (2168, 561340), (2210, 550672), (2540, 479128), (2710, 449072), (2720, 447421), (3302, 368560), (3523, 345440), (3536, 344170), (4064, 299455), (4318, 281840), (4336, 280670), (4420, 275336), (4607, 264160), (5080, 239564), (5420, 224536), (6604, 184280), (7046, 172720), (7072, 172085), (8255, 147424), (8636, 140920), (8672, 140335), (8840, 137668), (9214, 132080), (10160, 119782), (10795, 112736), (10840, 112268), (13208, 92140), (14092, 86360), (16510, 73712), (17272, 70460), (17615, 69088), (17680, 68834), (18428, 66040), (20320, 59891), (21590, 56368), (21680, 56134), (23035, 52832), (26416, 46070), (28067, 43360), (28184, 43180), (33020, 36856), (34417, 35360), (34544, 35230)]