84691880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 154808920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 91, 104, 106, 130, 140, 182, 212, 260, 265, 280, 364, 371, 424, 439, 455, 520, 530, 689, 728, 742, 878, 910, 1060, 1378, 1484, 1756, 1820, 1855, 2120, 2195, 2756, 2968, 3073, 3445, 3512, 3640, 3710, 4390, 4823, 5512, 5707, 6146, 6890, 7420, 8780, 9646, 11414, 12292, 13780, 14840, 15365, 17560, 19292, 22828, 23267, 24115, 24584, 27560, 28535, 30730, 38584, 39949, 45656, 46534, 48230, 57070, 61460, 79898, 93068, 96460, 114140, 116335, 122920, 159796, 162869, 186136, 192920, 199745, 228280, 232670, 302471, 319592, 325738, 399490, 465340, 604942, 651476, 798980, 814345, 930680, 1209884, 1302952, 1512355, 1597960, 1628690, 2117297, 2419768, 3024710, 3257380, 4234594, 6049420, 6514760, 8469188, 10586485, 12098840, 16938376, 21172970, 42345940, 84691880]

約数ペア:

[(1, 84691880), (2, 42345940), (4, 21172970), (5, 16938376), (7, 12098840), (8, 10586485), (10, 8469188), (13, 6514760), (14, 6049420), (20, 4234594), (26, 3257380), (28, 3024710), (35, 2419768), (40, 2117297), (52, 1628690), (53, 1597960), (56, 1512355), (65, 1302952), (70, 1209884), (91, 930680), (104, 814345), (106, 798980), (130, 651476), (140, 604942), (182, 465340), (212, 399490), (260, 325738), (265, 319592), (280, 302471), (364, 232670), (371, 228280), (424, 199745), (439, 192920), (455, 186136), (520, 162869), (530, 159796), (689, 122920), (728, 116335), (742, 114140), (878, 96460), (910, 93068), (1060, 79898), (1378, 61460), (1484, 57070), (1756, 48230), (1820, 46534), (1855, 45656), (2120, 39949), (2195, 38584), (2756, 30730), (2968, 28535), (3073, 27560), (3445, 24584), (3512, 24115), (3640, 23267), (3710, 22828), (4390, 19292), (4823, 17560), (5512, 15365), (5707, 14840), (6146, 13780), (6890, 12292), (7420, 11414), (8780, 9646)]