31874640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18973}}^1$

素因数の和:18996

約数の個数: 80

約数和(自身を含む): 112933248

約数和(自身を除く): 81058608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18973, 37946, 56919, 75892, 94865, 113838, 132811, 151784, 189730, 227676, 265622, 284595, 303568, 379460, 398433, 455352, 531244, 569190, 664055, 758920, 796866, 910704, 1062488, 1138380, 1328110, 1517840, 1593732, 1992165, 2124976, 2276760, 2656220, 3187464, 3984330, 4553520, 5312440, 6374928, 7968660, 10624880, 15937320, 31874640]

約数ペア:

[(1, 31874640), (2, 15937320), (3, 10624880), (4, 7968660), (5, 6374928), (6, 5312440), (7, 4553520), (8, 3984330), (10, 3187464), (12, 2656220), (14, 2276760), (15, 2124976), (16, 1992165), (20, 1593732), (21, 1517840), (24, 1328110), (28, 1138380), (30, 1062488), (35, 910704), (40, 796866), (42, 758920), (48, 664055), (56, 569190), (60, 531244), (70, 455352), (80, 398433), (84, 379460), (105, 303568), (112, 284595), (120, 265622), (140, 227676), (168, 189730), (210, 151784), (240, 132811), (280, 113838), (336, 94865), (420, 75892), (560, 56919), (840, 37946), (1680, 18973)]