138684640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 352556064

約数和(自身を除く): 213871424

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 67, 68, 80, 85, 134, 136, 160, 170, 268, 272, 335, 340, 536, 544, 670, 680, 761, 1072, 1139, 1340, 1360, 1522, 2144, 2278, 2680, 2720, 3044, 3805, 4556, 5360, 5695, 6088, 7610, 9112, 10720, 11390, 12176, 12937, 15220, 18224, 22780, 24352, 25874, 30440, 36448, 45560, 50987, 51748, 60880, 64685, 91120, 101974, 103496, 121760, 129370, 182240, 203948, 206992, 254935, 258740, 407896, 413984, 509870, 517480, 815792, 866779, 1019740, 1034960, 1631584, 1733558, 2039480, 2069920, 3467116, 4078960, 4333895, 6934232, 8157920, 8667790, 13868464, 17335580, 27736928, 34671160, 69342320, 138684640]

約数ペア:

[(1, 138684640), (2, 69342320), (4, 34671160), (5, 27736928), (8, 17335580), (10, 13868464), (16, 8667790), (17, 8157920), (20, 6934232), (32, 4333895), (34, 4078960), (40, 3467116), (67, 2069920), (68, 2039480), (80, 1733558), (85, 1631584), (134, 1034960), (136, 1019740), (160, 866779), (170, 815792), (268, 517480), (272, 509870), (335, 413984), (340, 407896), (536, 258740), (544, 254935), (670, 206992), (680, 203948), (761, 182240), (1072, 129370), (1139, 121760), (1340, 103496), (1360, 101974), (1522, 91120), (2144, 64685), (2278, 60880), (2680, 51748), (2720, 50987), (3044, 45560), (3805, 36448), (4556, 30440), (5360, 25874), (5695, 24352), (6088, 22780), (7610, 18224), (9112, 15220), (10720, 12937), (11390, 12176)]