1611081760

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:938

約数の個数: 96

約数和(自身を含む): 3879912960

約数和(自身を除く): 2268831200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 197, 316, 394, 395, 632, 647, 788, 790, 985, 1264, 1294, 1576, 1580, 1970, 2528, 2588, 3152, 3160, 3235, 3940, 5176, 6304, 6320, 6470, 7880, 10352, 12640, 12940, 15563, 15760, 20704, 25880, 31126, 31520, 51113, 51760, 62252, 77815, 102226, 103520, 124504, 127459, 155630, 204452, 249008, 254918, 255565, 311260, 408904, 498016, 509836, 511130, 622520, 637295, 817808, 1019672, 1022260, 1245040, 1274590, 1635616, 2039344, 2044520, 2490080, 2549180, 4078688, 4089040, 5098360, 8178080, 10069261, 10196720, 20138522, 20393440, 40277044, 50346305, 80554088, 100692610, 161108176, 201385220, 322216352, 402770440, 805540880, 1611081760]

約数ペア:

[(1, 1611081760), (2, 805540880), (4, 402770440), (5, 322216352), (8, 201385220), (10, 161108176), (16, 100692610), (20, 80554088), (32, 50346305), (40, 40277044), (79, 20393440), (80, 20138522), (158, 10196720), (160, 10069261), (197, 8178080), (316, 5098360), (394, 4089040), (395, 4078688), (632, 2549180), (647, 2490080), (788, 2044520), (790, 2039344), (985, 1635616), (1264, 1274590), (1294, 1245040), (1576, 1022260), (1580, 1019672), (1970, 817808), (2528, 637295), (2588, 622520), (3152, 511130), (3160, 509836), (3235, 498016), (3940, 408904), (5176, 311260), (6304, 255565), (6320, 254918), (6470, 249008), (7880, 204452), (10352, 155630), (12640, 127459), (12940, 124504), (15563, 103520), (15760, 102226), (20704, 77815), (25880, 62252), (31126, 51760), (31520, 51113)]