320879904

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 912498048

約数和(自身を除く): 591618144

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 47, 48, 57, 76, 94, 96, 114, 141, 152, 188, 197, 228, 282, 304, 361, 376, 394, 456, 564, 591, 608, 722, 752, 788, 893, 912, 1083, 1128, 1182, 1444, 1504, 1576, 1786, 1824, 2166, 2256, 2364, 2679, 2888, 3152, 3572, 3743, 4332, 4512, 4728, 5358, 5776, 6304, 7144, 7486, 8664, 9259, 9456, 10716, 11229, 11552, 14288, 14972, 16967, 17328, 18518, 18912, 21432, 22458, 27777, 28576, 29944, 33934, 34656, 37036, 42864, 44916, 50901, 55554, 59888, 67868, 71117, 74072, 85728, 89832, 101802, 111108, 119776, 135736, 142234, 148144, 175921, 179664, 203604, 213351, 222216, 271472, 284468, 296288, 351842, 359328, 407208, 426702, 444432, 527763, 542944, 568936, 703684, 814416, 853404, 888864, 1055526, 1137872, 1407368, 1628832, 1706808, 2111052, 2275744, 2814736, 3342499, 3413616, 4222104, 5629472, 6684998, 6827232, 8444208, 10027497, 13369996, 16888416, 20054994, 26739992, 40109988, 53479984, 80219976, 106959968, 160439952, 320879904]

約数ペア:

[(1, 320879904), (2, 160439952), (3, 106959968), (4, 80219976), (6, 53479984), (8, 40109988), (12, 26739992), (16, 20054994), (19, 16888416), (24, 13369996), (32, 10027497), (38, 8444208), (47, 6827232), (48, 6684998), (57, 5629472), (76, 4222104), (94, 3413616), (96, 3342499), (114, 2814736), (141, 2275744), (152, 2111052), (188, 1706808), (197, 1628832), (228, 1407368), (282, 1137872), (304, 1055526), (361, 888864), (376, 853404), (394, 814416), (456, 703684), (564, 568936), (591, 542944), (608, 527763), (722, 444432), (752, 426702), (788, 407208), (893, 359328), (912, 351842), (1083, 296288), (1128, 284468), (1182, 271472), (1444, 222216), (1504, 213351), (1576, 203604), (1786, 179664), (1824, 175921), (2166, 148144), (2256, 142234), (2364, 135736), (2679, 119776), (2888, 111108), (3152, 101802), (3572, 89832), (3743, 85728), (4332, 74072), (4512, 71117), (4728, 67868), (5358, 59888), (5776, 55554), (6304, 50901), (7144, 44916), (7486, 42864), (8664, 37036), (9259, 34656), (9456, 33934), (10716, 29944), (11229, 28576), (11552, 27777), (14288, 22458), (14972, 21432), (16967, 18912), (17328, 18518)]