161489520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{224291}}^1$

素因数の和:224310

約数の個数: 60

約数和(自身を含む): 542338056

約数和(自身を除く): 380848536

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, 224291, 448582, 672873, 897164, 1121455, 1345746, 1794328, 2018619, 2242910, 2691492, 3364365, 3588656, 4037238, 4485820, 5382984, 6728730, 8074476, 8971640, 10093095, 10765968, 13457460, 16148952, 17943280, 20186190, 26914920, 32297904, 40372380, 53829840, 80744760, 161489520]

約数ペア:

[(1, 161489520), (2, 80744760), (3, 53829840), (4, 40372380), (5, 32297904), (6, 26914920), (8, 20186190), (9, 17943280), (10, 16148952), (12, 13457460), (15, 10765968), (16, 10093095), (18, 8971640), (20, 8074476), (24, 6728730), (30, 5382984), (36, 4485820), (40, 4037238), (45, 3588656), (48, 3364365), (60, 2691492), (72, 2242910), (80, 2018619), (90, 1794328), (120, 1345746), (144, 1121455), (180, 897164), (240, 672873), (360, 448582), (720, 224291)]