79646320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 206678736

約数和(自身を除く): 127032416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 137, 169, 172, 208, 215, 260, 274, 338, 344, 430, 520, 548, 559, 676, 685, 688, 845, 860, 1040, 1096, 1118, 1352, 1370, 1690, 1720, 1781, 2192, 2236, 2704, 2740, 2795, 3380, 3440, 3562, 4472, 5480, 5590, 5891, 6760, 7124, 7267, 8905, 8944, 10960, 11180, 11782, 13520, 14248, 14534, 17810, 22360, 23153, 23564, 28496, 29068, 29455, 35620, 36335, 44720, 46306, 47128, 58136, 58910, 71240, 72670, 76583, 92612, 94256, 115765, 116272, 117820, 142480, 145340, 153166, 185224, 231530, 235640, 290680, 306332, 370448, 382915, 463060, 471280, 581360, 612664, 765830, 926120, 995579, 1225328, 1531660, 1852240, 1991158, 3063320, 3982316, 4977895, 6126640, 7964632, 9955790, 15929264, 19911580, 39823160, 79646320]

約数ペア:

[(1, 79646320), (2, 39823160), (4, 19911580), (5, 15929264), (8, 9955790), (10, 7964632), (13, 6126640), (16, 4977895), (20, 3982316), (26, 3063320), (40, 1991158), (43, 1852240), (52, 1531660), (65, 1225328), (80, 995579), (86, 926120), (104, 765830), (130, 612664), (137, 581360), (169, 471280), (172, 463060), (208, 382915), (215, 370448), (260, 306332), (274, 290680), (338, 235640), (344, 231530), (430, 185224), (520, 153166), (548, 145340), (559, 142480), (676, 117820), (685, 116272), (688, 115765), (845, 94256), (860, 92612), (1040, 76583), (1096, 72670), (1118, 71240), (1352, 58910), (1370, 58136), (1690, 47128), (1720, 46306), (1781, 44720), (2192, 36335), (2236, 35620), (2704, 29455), (2740, 29068), (2795, 28496), (3380, 23564), (3440, 23153), (3562, 22360), (4472, 17810), (5480, 14534), (5590, 14248), (5891, 13520), (6760, 11782), (7124, 11180), (7267, 10960), (8905, 8944)]