631043920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 160

約数和(自身を含む): 1644394752

約数和(自身を除く): 1013350832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 103, 104, 130, 137, 172, 206, 208, 215, 260, 274, 344, 412, 430, 515, 520, 548, 559, 685, 688, 824, 860, 1030, 1040, 1096, 1118, 1339, 1370, 1648, 1720, 1781, 2060, 2192, 2236, 2678, 2740, 2795, 3440, 3562, 4120, 4429, 4472, 5356, 5480, 5590, 5891, 6695, 7124, 8240, 8858, 8905, 8944, 10712, 10960, 11180, 11782, 13390, 14111, 14248, 17716, 17810, 21424, 22145, 22360, 23564, 26780, 28222, 28496, 29455, 35432, 35620, 44290, 44720, 47128, 53560, 56444, 57577, 58910, 70555, 70864, 71240, 76583, 88580, 94256, 107120, 112888, 115154, 117820, 141110, 142480, 153166, 177160, 183443, 225776, 230308, 235640, 282220, 287885, 306332, 354320, 366886, 382915, 460616, 471280, 564440, 575770, 606773, 612664, 733772, 765830, 917215, 921232, 1128880, 1151540, 1213546, 1225328, 1467544, 1531660, 1834430, 2303080, 2427092, 2935088, 3033865, 3063320, 3668860, 4606160, 4854184, 6067730, 6126640, 7337720, 7888049, 9708368, 12135460, 14675440, 15776098, 24270920, 31552196, 39440245, 48541840, 63104392, 78880490, 126208784, 157760980, 315521960, 631043920]

約数ペア:

[(1, 631043920), (2, 315521960), (4, 157760980), (5, 126208784), (8, 78880490), (10, 63104392), (13, 48541840), (16, 39440245), (20, 31552196), (26, 24270920), (40, 15776098), (43, 14675440), (52, 12135460), (65, 9708368), (80, 7888049), (86, 7337720), (103, 6126640), (104, 6067730), (130, 4854184), (137, 4606160), (172, 3668860), (206, 3063320), (208, 3033865), (215, 2935088), (260, 2427092), (274, 2303080), (344, 1834430), (412, 1531660), (430, 1467544), (515, 1225328), (520, 1213546), (548, 1151540), (559, 1128880), (685, 921232), (688, 917215), (824, 765830), (860, 733772), (1030, 612664), (1040, 606773), (1096, 575770), (1118, 564440), (1339, 471280), (1370, 460616), (1648, 382915), (1720, 366886), (1781, 354320), (2060, 306332), (2192, 287885), (2236, 282220), (2678, 235640), (2740, 230308), (2795, 225776), (3440, 183443), (3562, 177160), (4120, 153166), (4429, 142480), (4472, 141110), (5356, 117820), (5480, 115154), (5590, 112888), (5891, 107120), (6695, 94256), (7124, 88580), (8240, 76583), (8858, 71240), (8905, 70864), (8944, 70555), (10712, 58910), (10960, 57577), (11180, 56444), (11782, 53560), (13390, 47128), (14111, 44720), (14248, 44290), (17716, 35620), (17810, 35432), (21424, 29455), (22145, 28496), (22360, 28222), (23564, 26780)]