149571280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1556

約数の個数: 80

約数和(自身を含む): 367976448

約数和(自身を除く): 218405168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1471, 1640, 2480, 2542, 2942, 3280, 5084, 5884, 6355, 7355, 10168, 11768, 12710, 14710, 20336, 23536, 25420, 29420, 45601, 50840, 58840, 60311, 91202, 101680, 117680, 120622, 182404, 228005, 241244, 301555, 364808, 456010, 482488, 603110, 729616, 912020, 964976, 1206220, 1824040, 1869641, 2412440, 3648080, 3739282, 4824880, 7478564, 9348205, 14957128, 18696410, 29914256, 37392820, 74785640, 149571280]

約数ペア:

[(1, 149571280), (2, 74785640), (4, 37392820), (5, 29914256), (8, 18696410), (10, 14957128), (16, 9348205), (20, 7478564), (31, 4824880), (40, 3739282), (41, 3648080), (62, 2412440), (80, 1869641), (82, 1824040), (124, 1206220), (155, 964976), (164, 912020), (205, 729616), (248, 603110), (310, 482488), (328, 456010), (410, 364808), (496, 301555), (620, 241244), (656, 228005), (820, 182404), (1240, 120622), (1271, 117680), (1471, 101680), (1640, 91202), (2480, 60311), (2542, 58840), (2942, 50840), (3280, 45601), (5084, 29420), (5884, 25420), (6355, 23536), (7355, 20336), (10168, 14710), (11768, 12710)]