129312120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:877

約数の個数: 128

約数和(自身を含む): 445824000

約数和(自身を除く): 316511880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 420, 514, 599, 771, 840, 1028, 1198, 1285, 1542, 1797, 1799, 2056, 2396, 2570, 2995, 3084, 3594, 3598, 3855, 4193, 4792, 5140, 5397, 5990, 6168, 7188, 7196, 7710, 8386, 8985, 8995, 10280, 10794, 11980, 12579, 14376, 14392, 15420, 16772, 17970, 17990, 20965, 21588, 23960, 25158, 26985, 30840, 33544, 35940, 35980, 41930, 43176, 50316, 53970, 62895, 71880, 71960, 83860, 100632, 107940, 125790, 153943, 167720, 215880, 251580, 307886, 461829, 503160, 615772, 769715, 923658, 1077601, 1231544, 1539430, 1847316, 2155202, 2309145, 3078860, 3232803, 3694632, 4310404, 4618290, 5388005, 6157720, 6465606, 8620808, 9236580, 10776010, 12931212, 16164015, 18473160, 21552020, 25862424, 32328030, 43104040, 64656060, 129312120]

約数ペア:

[(1, 129312120), (2, 64656060), (3, 43104040), (4, 32328030), (5, 25862424), (6, 21552020), (7, 18473160), (8, 16164015), (10, 12931212), (12, 10776010), (14, 9236580), (15, 8620808), (20, 6465606), (21, 6157720), (24, 5388005), (28, 4618290), (30, 4310404), (35, 3694632), (40, 3232803), (42, 3078860), (56, 2309145), (60, 2155202), (70, 1847316), (84, 1539430), (105, 1231544), (120, 1077601), (140, 923658), (168, 769715), (210, 615772), (257, 503160), (280, 461829), (420, 307886), (514, 251580), (599, 215880), (771, 167720), (840, 153943), (1028, 125790), (1198, 107940), (1285, 100632), (1542, 83860), (1797, 71960), (1799, 71880), (2056, 62895), (2396, 53970), (2570, 50316), (2995, 43176), (3084, 41930), (3594, 35980), (3598, 35940), (3855, 33544), (4193, 30840), (4792, 26985), (5140, 25158), (5397, 23960), (5990, 21588), (6168, 20965), (7188, 17990), (7196, 17970), (7710, 16772), (8386, 15420), (8985, 14392), (8995, 14376), (10280, 12579), (10794, 11980)]