131657040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{182857}}^1$

素因数の和:182876

約数の個数: 60

約数和(自身を含む): 442150644

約数和(自身を除く): 310493604

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 182857, 365714, 548571, 731428, 914285, 1097142, 1462856, 1645713, 1828570, 2194284, 2742855, 2925712, 3291426, 3657140, 4388568, 5485710, 6582852, 7314280, 8228565, 8777136, 10971420, 13165704, 14628560, 16457130, 21942840, 26331408, 32914260, 43885680, 65828520, 131657040]

約数ペア:

[(1, 131657040), (2, 65828520), (3, 43885680), (4, 32914260), (5, 26331408), (6, 21942840), (8, 16457130), (9, 14628560), (10, 13165704), (12, 10971420), (15, 8777136), (16, 8228565), (18, 7314280), (20, 6582852), (24, 5485710), (30, 4388568), (36, 3657140), (40, 3291426), (45, 2925712), (48, 2742855), (60, 2194284), (72, 1828570), (80, 1645713), (90, 1462856), (120, 1097142), (144, 914285), (180, 731428), (240, 548571), (360, 365714), (720, 182857)]