163936240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 412661088

約数和(自身を除く): 248724848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 283, 520, 557, 566, 1040, 1114, 1132, 1415, 2228, 2264, 2785, 2830, 3679, 4456, 4528, 5570, 5660, 7241, 7358, 8912, 11140, 11320, 14482, 14716, 18395, 22280, 22640, 28964, 29432, 36205, 36790, 44560, 57928, 58864, 72410, 73580, 115856, 144820, 147160, 157631, 289640, 294320, 315262, 579280, 630524, 788155, 1261048, 1576310, 2049203, 2522096, 3152620, 4098406, 6305240, 8196812, 10246015, 12610480, 16393624, 20492030, 32787248, 40984060, 81968120, 163936240]

約数ペア:

[(1, 163936240), (2, 81968120), (4, 40984060), (5, 32787248), (8, 20492030), (10, 16393624), (13, 12610480), (16, 10246015), (20, 8196812), (26, 6305240), (40, 4098406), (52, 3152620), (65, 2522096), (80, 2049203), (104, 1576310), (130, 1261048), (208, 788155), (260, 630524), (283, 579280), (520, 315262), (557, 294320), (566, 289640), (1040, 157631), (1114, 147160), (1132, 144820), (1415, 115856), (2228, 73580), (2264, 72410), (2785, 58864), (2830, 57928), (3679, 44560), (4456, 36790), (4528, 36205), (5570, 29432), (5660, 28964), (7241, 22640), (7358, 22280), (8912, 18395), (11140, 14716), (11320, 14482)]