248143920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1613}}^1$

素因数の和:2270

約数の個数: 80

約数和(自身を含む): 770923872

約数和(自身を除く): 522779952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 641, 1282, 1613, 1923, 2564, 3205, 3226, 3846, 4839, 5128, 6410, 6452, 7692, 8065, 9615, 9678, 10256, 12820, 12904, 15384, 16130, 19230, 19356, 24195, 25640, 25808, 30768, 32260, 38460, 38712, 48390, 51280, 64520, 76920, 77424, 96780, 129040, 153840, 193560, 387120, 1033933, 2067866, 3101799, 4135732, 5169665, 6203598, 8271464, 10339330, 12407196, 15508995, 16542928, 20678660, 24814392, 31017990, 41357320, 49628784, 62035980, 82714640, 124071960, 248143920]

約数ペア:

[(1, 248143920), (2, 124071960), (3, 82714640), (4, 62035980), (5, 49628784), (6, 41357320), (8, 31017990), (10, 24814392), (12, 20678660), (15, 16542928), (16, 15508995), (20, 12407196), (24, 10339330), (30, 8271464), (40, 6203598), (48, 5169665), (60, 4135732), (80, 3101799), (120, 2067866), (240, 1033933), (641, 387120), (1282, 193560), (1613, 153840), (1923, 129040), (2564, 96780), (3205, 77424), (3226, 76920), (3846, 64520), (4839, 51280), (5128, 48390), (6410, 38712), (6452, 38460), (7692, 32260), (8065, 30768), (9615, 25808), (9678, 25640), (10256, 24195), (12820, 19356), (12904, 19230), (15384, 16130)]