18288240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 57142176

約数和(自身を除く): 38853936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 421, 543, 724, 842, 905, 1086, 1263, 1448, 1684, 1810, 2105, 2172, 2526, 2715, 2896, 3368, 3620, 4210, 4344, 5052, 5430, 6315, 6736, 7240, 8420, 8688, 10104, 10860, 12630, 14480, 16840, 20208, 21720, 25260, 33680, 43440, 50520, 76201, 101040, 152402, 228603, 304804, 381005, 457206, 609608, 762010, 914412, 1143015, 1219216, 1524020, 1828824, 2286030, 3048040, 3657648, 4572060, 6096080, 9144120, 18288240]

約数ペア:

[(1, 18288240), (2, 9144120), (3, 6096080), (4, 4572060), (5, 3657648), (6, 3048040), (8, 2286030), (10, 1828824), (12, 1524020), (15, 1219216), (16, 1143015), (20, 914412), (24, 762010), (30, 609608), (40, 457206), (48, 381005), (60, 304804), (80, 228603), (120, 152402), (181, 101040), (240, 76201), (362, 50520), (421, 43440), (543, 33680), (724, 25260), (842, 21720), (905, 20208), (1086, 16840), (1263, 14480), (1448, 12630), (1684, 10860), (1810, 10104), (2105, 8688), (2172, 8420), (2526, 7240), (2715, 6736), (2896, 6315), (3368, 5430), (3620, 5052), (4210, 4344)]