81907968

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{4637}}^1$

素因数の和:4679

約数の個数: 72

約数和(自身を含む): 227521728

約数和(自身を除く): 145613760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1472, 2208, 2944, 4416, 4637, 5888, 8832, 9274, 13911, 17664, 18548, 27822, 37096, 55644, 74192, 106651, 111288, 148384, 213302, 222576, 296768, 319953, 426604, 445152, 593536, 639906, 853208, 890304, 1187072, 1279812, 1706416, 1780608, 2559624, 3412832, 3561216, 5119248, 6825664, 10238496, 13651328, 20476992, 27302656, 40953984, 81907968]

約数ペア:

[(1, 81907968), (2, 40953984), (3, 27302656), (4, 20476992), (6, 13651328), (8, 10238496), (12, 6825664), (16, 5119248), (23, 3561216), (24, 3412832), (32, 2559624), (46, 1780608), (48, 1706416), (64, 1279812), (69, 1187072), (92, 890304), (96, 853208), (128, 639906), (138, 593536), (184, 445152), (192, 426604), (256, 319953), (276, 296768), (368, 222576), (384, 213302), (552, 148384), (736, 111288), (768, 106651), (1104, 74192), (1472, 55644), (2208, 37096), (2944, 27822), (4416, 18548), (4637, 17664), (5888, 13911), (8832, 9274)]