255540810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{277}}^1$

素因数の和:508

約数の個数: 128

約数和(自身を含む): 737869824

約数和(自身を除く): 482329014

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 191, 210, 230, 277, 322, 345, 382, 483, 554, 573, 690, 805, 831, 955, 966, 1146, 1337, 1385, 1610, 1662, 1910, 1939, 2415, 2674, 2770, 2865, 3878, 4011, 4155, 4393, 4830, 5730, 5817, 6371, 6685, 8022, 8310, 8786, 9695, 11634, 12742, 13179, 13370, 19113, 19390, 20055, 21965, 26358, 29085, 30751, 31855, 38226, 40110, 43930, 44597, 52907, 58170, 61502, 63710, 65895, 89194, 92253, 95565, 105814, 131790, 133791, 153755, 158721, 184506, 191130, 222985, 264535, 267582, 307510, 317442, 370349, 445970, 461265, 529070, 668955, 740698, 793605, 922530, 1111047, 1216861, 1337910, 1587210, 1851745, 2222094, 2433722, 3650583, 3703490, 5555235, 6084305, 7301166, 8518027, 11110470, 12168610, 17036054, 18252915, 25554081, 36505830, 42590135, 51108162, 85180270, 127770405, 255540810]

約数ペア:

[(1, 255540810), (2, 127770405), (3, 85180270), (5, 51108162), (6, 42590135), (7, 36505830), (10, 25554081), (14, 18252915), (15, 17036054), (21, 12168610), (23, 11110470), (30, 8518027), (35, 7301166), (42, 6084305), (46, 5555235), (69, 3703490), (70, 3650583), (105, 2433722), (115, 2222094), (138, 1851745), (161, 1587210), (191, 1337910), (210, 1216861), (230, 1111047), (277, 922530), (322, 793605), (345, 740698), (382, 668955), (483, 529070), (554, 461265), (573, 445970), (690, 370349), (805, 317442), (831, 307510), (955, 267582), (966, 264535), (1146, 222985), (1337, 191130), (1385, 184506), (1610, 158721), (1662, 153755), (1910, 133791), (1939, 131790), (2415, 105814), (2674, 95565), (2770, 92253), (2865, 89194), (3878, 65895), (4011, 63710), (4155, 61502), (4393, 58170), (4830, 52907), (5730, 44597), (5817, 43930), (6371, 40110), (6685, 38226), (8022, 31855), (8310, 30751), (8786, 29085), (9695, 26358), (11634, 21965), (12742, 20055), (13179, 19390), (13370, 19113)]