78139520

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1471}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 189181440

約数和(自身を除く): 111041920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1328, 1471, 1660, 2656, 2942, 3320, 5312, 5884, 6640, 7355, 10624, 11768, 13280, 14710, 23536, 26560, 29420, 47072, 53120, 58840, 94144, 117680, 122093, 188288, 235360, 244186, 470720, 488372, 610465, 941440, 976744, 1220930, 1953488, 2441860, 3906976, 4883720, 7813952, 9767440, 15627904, 19534880, 39069760, 78139520]

約数ペア:

[(1, 78139520), (2, 39069760), (4, 19534880), (5, 15627904), (8, 9767440), (10, 7813952), (16, 4883720), (20, 3906976), (32, 2441860), (40, 1953488), (64, 1220930), (80, 976744), (83, 941440), (128, 610465), (160, 488372), (166, 470720), (320, 244186), (332, 235360), (415, 188288), (640, 122093), (664, 117680), (830, 94144), (1328, 58840), (1471, 53120), (1660, 47072), (2656, 29420), (2942, 26560), (3320, 23536), (5312, 14710), (5884, 13280), (6640, 11768), (7355, 10624)]