1998262656

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:678

約数の個数: 256

約数和(自身を含む): 6443136000

約数和(自身を除く): 4444873344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 79, 96, 104, 108, 117, 128, 144, 156, 158, 192, 208, 216, 234, 237, 288, 312, 316, 351, 384, 416, 432, 468, 474, 563, 576, 624, 632, 702, 711, 832, 864, 936, 948, 1027, 1126, 1152, 1248, 1264, 1404, 1422, 1664, 1689, 1728, 1872, 1896, 2054, 2133, 2252, 2496, 2528, 2808, 2844, 3081, 3378, 3456, 3744, 3792, 4108, 4266, 4504, 4992, 5056, 5067, 5616, 5688, 6162, 6756, 7319, 7488, 7584, 8216, 8532, 9008, 9243, 10112, 10134, 11232, 11376, 12324, 13512, 14638, 14976, 15168, 15201, 16432, 17064, 18016, 18486, 20268, 21957, 22464, 22752, 24648, 27024, 27729, 29276, 30336, 30402, 32864, 34128, 36032, 36972, 40536, 43914, 44477, 44928, 45504, 49296, 54048, 55458, 58552, 60804, 65728, 65871, 68256, 72064, 73944, 81072, 87828, 88954, 91008, 98592, 108096, 110916, 117104, 121608, 131456, 131742, 133431, 136512, 147888, 162144, 175656, 177908, 197184, 197613, 216192, 221832, 234208, 243216, 263484, 266862, 273024, 295776, 324288, 351312, 355816, 394368, 395226, 400293, 443664, 468416, 486432, 526968, 533724, 578201, 591552, 648576, 702624, 711632, 790452, 800586, 887328, 936832, 972864, 1053936, 1067448, 1156402, 1183104, 1200879, 1405248, 1423264, 1580904, 1601172, 1734603, 1774656, 1945728, 2107872, 2134896, 2312804, 2401758, 2810496, 2846528, 3161808, 3202344, 3469206, 3549312, 4215744, 4269792, 4625608, 4803516, 5203809, 5693056, 6323616, 6404688, 6938412, 8431488, 8539584, 9251216, 9607032, 10407618, 12647232, 12809376, 13876824, 15611427, 17079168, 18502432, 19214064, 20815236, 25294464, 25618752, 27753648, 31222854, 37004864, 38428128, 41630472, 51237504, 55507296, 62445708, 74009728, 76856256, 83260944, 111014592, 124891416, 153712512, 166521888, 222029184, 249782832, 333043776, 499565664, 666087552, 999131328, 1998262656]

約数ペア:

[(1, 1998262656), (2, 999131328), (3, 666087552), (4, 499565664), (6, 333043776), (8, 249782832), (9, 222029184), (12, 166521888), (13, 153712512), (16, 124891416), (18, 111014592), (24, 83260944), (26, 76856256), (27, 74009728), (32, 62445708), (36, 55507296), (39, 51237504), (48, 41630472), (52, 38428128), (54, 37004864), (64, 31222854), (72, 27753648), (78, 25618752), (79, 25294464), (96, 20815236), (104, 19214064), (108, 18502432), (117, 17079168), (128, 15611427), (144, 13876824), (156, 12809376), (158, 12647232), (192, 10407618), (208, 9607032), (216, 9251216), (234, 8539584), (237, 8431488), (288, 6938412), (312, 6404688), (316, 6323616), (351, 5693056), (384, 5203809), (416, 4803516), (432, 4625608), (468, 4269792), (474, 4215744), (563, 3549312), (576, 3469206), (624, 3202344), (632, 3161808), (702, 2846528), (711, 2810496), (832, 2401758), (864, 2312804), (936, 2134896), (948, 2107872), (1027, 1945728), (1126, 1774656), (1152, 1734603), (1248, 1601172), (1264, 1580904), (1404, 1423264), (1422, 1405248), (1664, 1200879), (1689, 1183104), (1728, 1156402), (1872, 1067448), (1896, 1053936), (2054, 972864), (2133, 936832), (2252, 887328), (2496, 800586), (2528, 790452), (2808, 711632), (2844, 702624), (3081, 648576), (3378, 591552), (3456, 578201), (3744, 533724), (3792, 526968), (4108, 486432), (4266, 468416), (4504, 443664), (4992, 400293), (5056, 395226), (5067, 394368), (5616, 355816), (5688, 351312), (6162, 324288), (6756, 295776), (7319, 273024), (7488, 266862), (7584, 263484), (8216, 243216), (8532, 234208), (9008, 221832), (9243, 216192), (10112, 197613), (10134, 197184), (11232, 177908), (11376, 175656), (12324, 162144), (13512, 147888), (14638, 136512), (14976, 133431), (15168, 131742), (15201, 131456), (16432, 121608), (17064, 117104), (18016, 110916), (18486, 108096), (20268, 98592), (21957, 91008), (22464, 88954), (22752, 87828), (24648, 81072), (27024, 73944), (27729, 72064), (29276, 68256), (30336, 65871), (30402, 65728), (32864, 60804), (34128, 58552), (36032, 55458), (36972, 54048), (40536, 49296), (43914, 45504), (44477, 44928)]