1517071720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1471}}^1$

素因数の和:1583

約数の個数: 128

約数和(自身を含む): 3815424000

約数和(自身を除く): 2298352280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 59, 76, 92, 95, 115, 118, 152, 184, 190, 230, 236, 295, 380, 437, 460, 472, 590, 760, 874, 920, 1121, 1180, 1357, 1471, 1748, 2185, 2242, 2360, 2714, 2942, 3496, 4370, 4484, 5428, 5605, 5884, 6785, 7355, 8740, 8968, 10856, 11210, 11768, 13570, 14710, 17480, 22420, 25783, 27140, 27949, 29420, 33833, 44840, 51566, 54280, 55898, 58840, 67666, 86789, 103132, 111796, 128915, 135332, 139745, 169165, 173578, 206264, 223592, 257830, 270664, 279490, 338330, 347156, 433945, 515660, 558980, 642827, 676660, 694312, 867890, 1031320, 1117960, 1285654, 1353320, 1648991, 1735780, 1996147, 2571308, 3214135, 3297982, 3471560, 3992294, 5142616, 6428270, 6595964, 7984588, 8244955, 9980735, 12856540, 13191928, 15969176, 16489910, 19961470, 25713080, 32979820, 37926793, 39922940, 65959640, 75853586, 79845880, 151707172, 189633965, 303414344, 379267930, 758535860, 1517071720]

約数ペア:

[(1, 1517071720), (2, 758535860), (4, 379267930), (5, 303414344), (8, 189633965), (10, 151707172), (19, 79845880), (20, 75853586), (23, 65959640), (38, 39922940), (40, 37926793), (46, 32979820), (59, 25713080), (76, 19961470), (92, 16489910), (95, 15969176), (115, 13191928), (118, 12856540), (152, 9980735), (184, 8244955), (190, 7984588), (230, 6595964), (236, 6428270), (295, 5142616), (380, 3992294), (437, 3471560), (460, 3297982), (472, 3214135), (590, 2571308), (760, 1996147), (874, 1735780), (920, 1648991), (1121, 1353320), (1180, 1285654), (1357, 1117960), (1471, 1031320), (1748, 867890), (2185, 694312), (2242, 676660), (2360, 642827), (2714, 558980), (2942, 515660), (3496, 433945), (4370, 347156), (4484, 338330), (5428, 279490), (5605, 270664), (5884, 257830), (6785, 223592), (7355, 206264), (8740, 173578), (8968, 169165), (10856, 139745), (11210, 135332), (11768, 128915), (13570, 111796), (14710, 103132), (17480, 86789), (22420, 67666), (25783, 58840), (27140, 55898), (27949, 54280), (29420, 51566), (33833, 44840)]