157838640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{657661}}^1$

素因数の和:657677

約数の個数: 40

約数和(自身を含む): 489300528

約数和(自身を除く): 331461888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 657661, 1315322, 1972983, 2630644, 3288305, 3945966, 5261288, 6576610, 7891932, 9864915, 10522576, 13153220, 15783864, 19729830, 26306440, 31567728, 39459660, 52612880, 78919320, 157838640]

約数ペア:

[(1, 157838640), (2, 78919320), (3, 52612880), (4, 39459660), (5, 31567728), (6, 26306440), (8, 19729830), (10, 15783864), (12, 13153220), (15, 10522576), (16, 9864915), (20, 7891932), (24, 6576610), (30, 5261288), (40, 3945966), (48, 3288305), (60, 2630644), (80, 1972983), (120, 1315322), (240, 657661)]