78632320

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{727}}^1$

素因数の和:772

約数の個数: 96

約数和(自身を含む): 203832720

約数和(自身を除く): 125200400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 520, 640, 676, 727, 832, 845, 1040, 1352, 1454, 1664, 1690, 2080, 2704, 2908, 3380, 3635, 4160, 5408, 5816, 6760, 7270, 8320, 9451, 10816, 11632, 13520, 14540, 18902, 21632, 23264, 27040, 29080, 37804, 46528, 47255, 54080, 58160, 75608, 93056, 94510, 108160, 116320, 122863, 151216, 189020, 232640, 245726, 302432, 378040, 465280, 491452, 604864, 614315, 756080, 982904, 1209728, 1228630, 1512160, 1965808, 2457260, 3024320, 3931616, 4914520, 6048640, 7863232, 9829040, 15726464, 19658080, 39316160, 78632320]

約数ペア:

[(1, 78632320), (2, 39316160), (4, 19658080), (5, 15726464), (8, 9829040), (10, 7863232), (13, 6048640), (16, 4914520), (20, 3931616), (26, 3024320), (32, 2457260), (40, 1965808), (52, 1512160), (64, 1228630), (65, 1209728), (80, 982904), (104, 756080), (128, 614315), (130, 604864), (160, 491452), (169, 465280), (208, 378040), (260, 302432), (320, 245726), (338, 232640), (416, 189020), (520, 151216), (640, 122863), (676, 116320), (727, 108160), (832, 94510), (845, 93056), (1040, 75608), (1352, 58160), (1454, 54080), (1664, 47255), (1690, 46528), (2080, 37804), (2704, 29080), (2908, 27040), (3380, 23264), (3635, 21632), (4160, 18902), (5408, 14540), (5816, 13520), (6760, 11632), (7270, 10816), (8320, 9451)]