1279842432

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 256

約数和(自身を含む): 4018636800

約数和(自身を除く): 2738794368

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 32, 33, 37, 38, 44, 48, 57, 64, 66, 74, 76, 88, 96, 111, 114, 128, 132, 148, 152, 176, 192, 209, 222, 228, 264, 296, 304, 352, 384, 407, 418, 431, 444, 456, 528, 592, 608, 627, 703, 704, 814, 836, 862, 888, 912, 1056, 1184, 1216, 1221, 1254, 1293, 1406, 1408, 1628, 1672, 1724, 1776, 1824, 2109, 2112, 2368, 2432, 2442, 2508, 2586, 2812, 3256, 3344, 3448, 3552, 3648, 4218, 4224, 4736, 4741, 4884, 5016, 5172, 5624, 6512, 6688, 6896, 7104, 7296, 7733, 8189, 8436, 9482, 9768, 10032, 10344, 11248, 13024, 13376, 13792, 14208, 14223, 15466, 15947, 16378, 16872, 18964, 19536, 20064, 20688, 22496, 23199, 24567, 26048, 26752, 27584, 28446, 30932, 31894, 32756, 33744, 37928, 39072, 40128, 41376, 44992, 46398, 47841, 49134, 52096, 55168, 56892, 61864, 63788, 65512, 67488, 75856, 78144, 80256, 82752, 89984, 90079, 92796, 95682, 98268, 113784, 123728, 127576, 131024, 134976, 151712, 156288, 165504, 175417, 180158, 185592, 191364, 196536, 227568, 247456, 255152, 262048, 269952, 270237, 302993, 303424, 350834, 360316, 371184, 382728, 393072, 455136, 494912, 510304, 524096, 526251, 540474, 605986, 606848, 701668, 720632, 742368, 765456, 786144, 908979, 910272, 989824, 1020608, 1048192, 1052502, 1080948, 1211972, 1403336, 1441264, 1484736, 1530912, 1572288, 1817958, 1820544, 2041216, 2105004, 2161896, 2423944, 2806672, 2882528, 2969472, 3061824, 3144576, 3332923, 3635916, 4210008, 4323792, 4847888, 5613344, 5765056, 6123648, 6665846, 7271832, 8420016, 8647584, 9695776, 9998769, 11226688, 11530112, 13331692, 14543664, 16840032, 17295168, 19391552, 19997538, 22453376, 26663384, 29087328, 33680064, 34590336, 38783104, 39995076, 53326768, 58174656, 67360128, 79990152, 106653536, 116349312, 159980304, 213307072, 319960608, 426614144, 639921216, 1279842432]

約数ペア:

[(1, 1279842432), (2, 639921216), (3, 426614144), (4, 319960608), (6, 213307072), (8, 159980304), (11, 116349312), (12, 106653536), (16, 79990152), (19, 67360128), (22, 58174656), (24, 53326768), (32, 39995076), (33, 38783104), (37, 34590336), (38, 33680064), (44, 29087328), (48, 26663384), (57, 22453376), (64, 19997538), (66, 19391552), (74, 17295168), (76, 16840032), (88, 14543664), (96, 13331692), (111, 11530112), (114, 11226688), (128, 9998769), (132, 9695776), (148, 8647584), (152, 8420016), (176, 7271832), (192, 6665846), (209, 6123648), (222, 5765056), (228, 5613344), (264, 4847888), (296, 4323792), (304, 4210008), (352, 3635916), (384, 3332923), (407, 3144576), (418, 3061824), (431, 2969472), (444, 2882528), (456, 2806672), (528, 2423944), (592, 2161896), (608, 2105004), (627, 2041216), (703, 1820544), (704, 1817958), (814, 1572288), (836, 1530912), (862, 1484736), (888, 1441264), (912, 1403336), (1056, 1211972), (1184, 1080948), (1216, 1052502), (1221, 1048192), (1254, 1020608), (1293, 989824), (1406, 910272), (1408, 908979), (1628, 786144), (1672, 765456), (1724, 742368), (1776, 720632), (1824, 701668), (2109, 606848), (2112, 605986), (2368, 540474), (2432, 526251), (2442, 524096), (2508, 510304), (2586, 494912), (2812, 455136), (3256, 393072), (3344, 382728), (3448, 371184), (3552, 360316), (3648, 350834), (4218, 303424), (4224, 302993), (4736, 270237), (4741, 269952), (4884, 262048), (5016, 255152), (5172, 247456), (5624, 227568), (6512, 196536), (6688, 191364), (6896, 185592), (7104, 180158), (7296, 175417), (7733, 165504), (8189, 156288), (8436, 151712), (9482, 134976), (9768, 131024), (10032, 127576), (10344, 123728), (11248, 113784), (13024, 98268), (13376, 95682), (13792, 92796), (14208, 90079), (14223, 89984), (15466, 82752), (15947, 80256), (16378, 78144), (16872, 75856), (18964, 67488), (19536, 65512), (20064, 63788), (20688, 61864), (22496, 56892), (23199, 55168), (24567, 52096), (26048, 49134), (26752, 47841), (27584, 46398), (28446, 44992), (30932, 41376), (31894, 40128), (32756, 39072), (33744, 37928)]