254988240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81727}}^1$

素因数の和:81756

約数の個数: 80

約数和(自身を含む): 851278848

約数和(自身を除く): 596290608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 81727, 163454, 245181, 326908, 408635, 490362, 653816, 817270, 980724, 1062451, 1225905, 1307632, 1634540, 1961448, 2124902, 2451810, 3187353, 3269080, 3922896, 4249804, 4903620, 5312255, 6374706, 6538160, 8499608, 9807240, 10624510, 12749412, 15936765, 16999216, 19614480, 21249020, 25498824, 31873530, 42498040, 50997648, 63747060, 84996080, 127494120, 254988240]

約数ペア:

[(1, 254988240), (2, 127494120), (3, 84996080), (4, 63747060), (5, 50997648), (6, 42498040), (8, 31873530), (10, 25498824), (12, 21249020), (13, 19614480), (15, 16999216), (16, 15936765), (20, 12749412), (24, 10624510), (26, 9807240), (30, 8499608), (39, 6538160), (40, 6374706), (48, 5312255), (52, 4903620), (60, 4249804), (65, 3922896), (78, 3269080), (80, 3187353), (104, 2451810), (120, 2124902), (130, 1961448), (156, 1634540), (195, 1307632), (208, 1225905), (240, 1062451), (260, 980724), (312, 817270), (390, 653816), (520, 490362), (624, 408635), (780, 326908), (1040, 245181), (1560, 163454), (3120, 81727)]