156958746680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{383}}^1\times {\mathrm{65257}}^1$

素因数の和:65808

約数の個数: 64

約数和(自身を含む): 356340003840

約数和(自身を除く): 199381257160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 383, 628, 766, 785, 1256, 1532, 1570, 1915, 3064, 3140, 3830, 6280, 7660, 15320, 60131, 65257, 120262, 130514, 240524, 261028, 300655, 326285, 481048, 522056, 601310, 652570, 1202620, 1305140, 2405240, 2610280, 10245349, 20490698, 24993431, 40981396, 49986862, 51226745, 81962792, 99973724, 102453490, 124967155, 199947448, 204906980, 249934310, 409813960, 499868620, 999737240, 3923968667, 7847937334, 15695874668, 19619843335, 31391749336, 39239686670, 78479373340, 156958746680]

約数ペア:

[(1, 156958746680), (2, 78479373340), (4, 39239686670), (5, 31391749336), (8, 19619843335), (10, 15695874668), (20, 7847937334), (40, 3923968667), (157, 999737240), (314, 499868620), (383, 409813960), (628, 249934310), (766, 204906980), (785, 199947448), (1256, 124967155), (1532, 102453490), (1570, 99973724), (1915, 81962792), (3064, 51226745), (3140, 49986862), (3830, 40981396), (6280, 24993431), (7660, 20490698), (15320, 10245349), (60131, 2610280), (65257, 2405240), (120262, 1305140), (130514, 1202620), (240524, 652570), (261028, 601310), (300655, 522056), (326285, 481048)]