80278320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{334493}}^1$

素因数の和:334509

約数の個数: 40

約数和(自身を含む): 248863536

約数和(自身を除く): 168585216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 334493, 668986, 1003479, 1337972, 1672465, 2006958, 2675944, 3344930, 4013916, 5017395, 5351888, 6689860, 8027832, 10034790, 13379720, 16055664, 20069580, 26759440, 40139160, 80278320]

約数ペア:

[(1, 80278320), (2, 40139160), (3, 26759440), (4, 20069580), (5, 16055664), (6, 13379720), (8, 10034790), (10, 8027832), (12, 6689860), (15, 5351888), (16, 5017395), (20, 4013916), (24, 3344930), (30, 2675944), (40, 2006958), (48, 1672465), (60, 1337972), (80, 1003479), (120, 668986), (240, 334493)]