320016848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1324

約数の個数: 80

約数和(自身を含む): 700014720

約数和(自身を除く): 379997872

約数列:

[1, 2, 4, 8, 16, 19, 23, 37, 38, 46, 74, 76, 92, 148, 152, 184, 296, 304, 368, 437, 592, 703, 851, 874, 1237, 1406, 1702, 1748, 2474, 2812, 3404, 3496, 4948, 5624, 6808, 6992, 9896, 11248, 13616, 16169, 19792, 23503, 28451, 32338, 45769, 47006, 56902, 64676, 91538, 94012, 113804, 129352, 183076, 188024, 227608, 258704, 366152, 376048, 455216, 540569, 732304, 869611, 1052687, 1081138, 1739222, 2105374, 2162276, 3478444, 4210748, 4324552, 6956888, 8421496, 8649104, 13913776, 16842992, 20001053, 40002106, 80004212, 160008424, 320016848]

約数ペア:

[(1, 320016848), (2, 160008424), (4, 80004212), (8, 40002106), (16, 20001053), (19, 16842992), (23, 13913776), (37, 8649104), (38, 8421496), (46, 6956888), (74, 4324552), (76, 4210748), (92, 3478444), (148, 2162276), (152, 2105374), (184, 1739222), (296, 1081138), (304, 1052687), (368, 869611), (437, 732304), (592, 540569), (703, 455216), (851, 376048), (874, 366152), (1237, 258704), (1406, 227608), (1702, 188024), (1748, 183076), (2474, 129352), (2812, 113804), (3404, 94012), (3496, 91538), (4948, 64676), (5624, 56902), (6808, 47006), (6992, 45769), (9896, 32338), (11248, 28451), (13616, 23503), (16169, 19792)]