20326626720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{89909}}^1$

素因数の和:90087

約数の個数: 144

約数和(自身を含む): 69807202920

約数和(自身を除く): 49480576200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 157, 160, 180, 240, 288, 314, 360, 471, 480, 628, 720, 785, 942, 1256, 1413, 1440, 1570, 1884, 2355, 2512, 2826, 3140, 3768, 4710, 5024, 5652, 6280, 7065, 7536, 9420, 11304, 12560, 14130, 15072, 18840, 22608, 25120, 28260, 37680, 45216, 56520, 75360, 89909, 113040, 179818, 226080, 269727, 359636, 449545, 539454, 719272, 809181, 899090, 1078908, 1348635, 1438544, 1618362, 1798180, 2157816, 2697270, 2877088, 3236724, 3596360, 4045905, 4315632, 5394540, 6473448, 7192720, 8091810, 8631264, 10789080, 12946896, 14115713, 14385440, 16183620, 21578160, 25893792, 28231426, 32367240, 42347139, 43156320, 56462852, 64734480, 70578565, 84694278, 112925704, 127041417, 129468960, 141157130, 169388556, 211735695, 225851408, 254082834, 282314260, 338777112, 423471390, 451702816, 508165668, 564628520, 635207085, 677554224, 846942780, 1016331336, 1129257040, 1270414170, 1355108448, 1693885560, 2032662672, 2258514080, 2540828340, 3387771120, 4065325344, 5081656680, 6775542240, 10163313360, 20326626720]

約数ペア:

[(1, 20326626720), (2, 10163313360), (3, 6775542240), (4, 5081656680), (5, 4065325344), (6, 3387771120), (8, 2540828340), (9, 2258514080), (10, 2032662672), (12, 1693885560), (15, 1355108448), (16, 1270414170), (18, 1129257040), (20, 1016331336), (24, 846942780), (30, 677554224), (32, 635207085), (36, 564628520), (40, 508165668), (45, 451702816), (48, 423471390), (60, 338777112), (72, 282314260), (80, 254082834), (90, 225851408), (96, 211735695), (120, 169388556), (144, 141157130), (157, 129468960), (160, 127041417), (180, 112925704), (240, 84694278), (288, 70578565), (314, 64734480), (360, 56462852), (471, 43156320), (480, 42347139), (628, 32367240), (720, 28231426), (785, 25893792), (942, 21578160), (1256, 16183620), (1413, 14385440), (1440, 14115713), (1570, 12946896), (1884, 10789080), (2355, 8631264), (2512, 8091810), (2826, 7192720), (3140, 6473448), (3768, 5394540), (4710, 4315632), (5024, 4045905), (5652, 3596360), (6280, 3236724), (7065, 2877088), (7536, 2697270), (9420, 2157816), (11304, 1798180), (12560, 1618362), (14130, 1438544), (15072, 1348635), (18840, 1078908), (22608, 899090), (25120, 809181), (28260, 719272), (37680, 539454), (45216, 449545), (56520, 359636), (75360, 269727), (89909, 226080), (113040, 179818)]