161023408

素因数分解:

$2^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 409001600

約数和(自身を除く): 247978192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 49, 52, 56, 61, 74, 91, 98, 104, 112, 122, 148, 182, 196, 208, 244, 259, 296, 343, 364, 392, 427, 481, 488, 518, 592, 637, 686, 728, 784, 793, 854, 962, 976, 1036, 1274, 1372, 1456, 1586, 1708, 1813, 1924, 2072, 2257, 2548, 2744, 2989, 3172, 3367, 3416, 3626, 3848, 4144, 4459, 4514, 5096, 5488, 5551, 5978, 6344, 6734, 6832, 7252, 7696, 8918, 9028, 10192, 11102, 11956, 12688, 12691, 13468, 14504, 15799, 17836, 18056, 20923, 22204, 23569, 23912, 25382, 26936, 29008, 29341, 31598, 35672, 36112, 38857, 41846, 44408, 47138, 47824, 50764, 53872, 58682, 63196, 71344, 77714, 83692, 88816, 94276, 101528, 110593, 117364, 126392, 155428, 164983, 167384, 188552, 203056, 205387, 221186, 234728, 252784, 271999, 310856, 329966, 334768, 377104, 410774, 442372, 469456, 543998, 621712, 659932, 774151, 821548, 884744, 1087996, 1319864, 1437709, 1548302, 1643096, 1769488, 2175992, 2639728, 2875418, 3096604, 3286192, 4351984, 5750836, 6193208, 10063963, 11501672, 12386416, 20127926, 23003344, 40255852, 80511704, 161023408]

約数ペア:

[(1, 161023408), (2, 80511704), (4, 40255852), (7, 23003344), (8, 20127926), (13, 12386416), (14, 11501672), (16, 10063963), (26, 6193208), (28, 5750836), (37, 4351984), (49, 3286192), (52, 3096604), (56, 2875418), (61, 2639728), (74, 2175992), (91, 1769488), (98, 1643096), (104, 1548302), (112, 1437709), (122, 1319864), (148, 1087996), (182, 884744), (196, 821548), (208, 774151), (244, 659932), (259, 621712), (296, 543998), (343, 469456), (364, 442372), (392, 410774), (427, 377104), (481, 334768), (488, 329966), (518, 310856), (592, 271999), (637, 252784), (686, 234728), (728, 221186), (784, 205387), (793, 203056), (854, 188552), (962, 167384), (976, 164983), (1036, 155428), (1274, 126392), (1372, 117364), (1456, 110593), (1586, 101528), (1708, 94276), (1813, 88816), (1924, 83692), (2072, 77714), (2257, 71344), (2548, 63196), (2744, 58682), (2989, 53872), (3172, 50764), (3367, 47824), (3416, 47138), (3626, 44408), (3848, 41846), (4144, 38857), (4459, 36112), (4514, 35672), (5096, 31598), (5488, 29341), (5551, 29008), (5978, 26936), (6344, 25382), (6734, 23912), (6832, 23569), (7252, 22204), (7696, 20923), (8918, 18056), (9028, 17836), (10192, 15799), (11102, 14504), (11956, 13468), (12688, 12691)]