306441728

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 690934200

約数和(自身を除く): 384492472

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 109, 128, 136, 152, 218, 256, 272, 289, 304, 323, 436, 512, 544, 578, 608, 646, 872, 1088, 1156, 1216, 1292, 1744, 1853, 2071, 2176, 2312, 2432, 2584, 3488, 3706, 4142, 4352, 4624, 4864, 5168, 5491, 6976, 7412, 8284, 8704, 9248, 9728, 10336, 10982, 13952, 14824, 16568, 18496, 20672, 21964, 27904, 29648, 31501, 33136, 35207, 36992, 41344, 43928, 55808, 59296, 63002, 66272, 70414, 73984, 82688, 87856, 118592, 126004, 132544, 140828, 147968, 165376, 175712, 237184, 252008, 265088, 281656, 351424, 474368, 504016, 530176, 563312, 598519, 702848, 948736, 1008032, 1060352, 1126624, 1197038, 1405696, 2016064, 2253248, 2394076, 2811392, 4032128, 4506496, 4788152, 8064256, 9012992, 9576304, 16128512, 18025984, 19152608, 38305216, 76610432, 153220864, 306441728]

約数ペア:

[(1, 306441728), (2, 153220864), (4, 76610432), (8, 38305216), (16, 19152608), (17, 18025984), (19, 16128512), (32, 9576304), (34, 9012992), (38, 8064256), (64, 4788152), (68, 4506496), (76, 4032128), (109, 2811392), (128, 2394076), (136, 2253248), (152, 2016064), (218, 1405696), (256, 1197038), (272, 1126624), (289, 1060352), (304, 1008032), (323, 948736), (436, 702848), (512, 598519), (544, 563312), (578, 530176), (608, 504016), (646, 474368), (872, 351424), (1088, 281656), (1156, 265088), (1216, 252008), (1292, 237184), (1744, 175712), (1853, 165376), (2071, 147968), (2176, 140828), (2312, 132544), (2432, 126004), (2584, 118592), (3488, 87856), (3706, 82688), (4142, 73984), (4352, 70414), (4624, 66272), (4864, 63002), (5168, 59296), (5491, 55808), (6976, 43928), (7412, 41344), (8284, 36992), (8704, 35207), (9248, 33136), (9728, 31501), (10336, 29648), (10982, 27904), (13952, 21964), (14824, 20672), (16568, 18496)]