30380520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 91512000

約数和(自身を除く): 61131480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 409, 619, 818, 1227, 1238, 1636, 1857, 2045, 2454, 2476, 3095, 3272, 3714, 4090, 4908, 4952, 6135, 6190, 7428, 8180, 9285, 9816, 12270, 12380, 14856, 16360, 18570, 24540, 24760, 37140, 49080, 74280, 253171, 506342, 759513, 1012684, 1265855, 1519026, 2025368, 2531710, 3038052, 3797565, 5063420, 6076104, 7595130, 10126840, 15190260, 30380520]

約数ペア:

[(1, 30380520), (2, 15190260), (3, 10126840), (4, 7595130), (5, 6076104), (6, 5063420), (8, 3797565), (10, 3038052), (12, 2531710), (15, 2025368), (20, 1519026), (24, 1265855), (30, 1012684), (40, 759513), (60, 506342), (120, 253171), (409, 74280), (619, 49080), (818, 37140), (1227, 24760), (1238, 24540), (1636, 18570), (1857, 16360), (2045, 14856), (2454, 12380), (2476, 12270), (3095, 9816), (3272, 9285), (3714, 8180), (4090, 7428), (4908, 6190), (4952, 6135)]