38857140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{30839}}^1$

素因数の和:30861

約数の個数: 72

約数和(自身を含む): 134709120

約数和(自身を除く): 95851980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 30839, 61678, 92517, 123356, 154195, 185034, 215873, 277551, 308390, 370068, 431746, 462585, 555102, 616780, 647619, 863492, 925170, 1079365, 1110204, 1295238, 1387755, 1850340, 1942857, 2158730, 2590476, 2775510, 3238095, 3885714, 4317460, 5551020, 6476190, 7771428, 9714285, 12952380, 19428570, 38857140]

約数ペア:

[(1, 38857140), (2, 19428570), (3, 12952380), (4, 9714285), (5, 7771428), (6, 6476190), (7, 5551020), (9, 4317460), (10, 3885714), (12, 3238095), (14, 2775510), (15, 2590476), (18, 2158730), (20, 1942857), (21, 1850340), (28, 1387755), (30, 1295238), (35, 1110204), (36, 1079365), (42, 925170), (45, 863492), (60, 647619), (63, 616780), (70, 555102), (84, 462585), (90, 431746), (105, 370068), (126, 308390), (140, 277551), (180, 215873), (210, 185034), (252, 154195), (315, 123356), (420, 92517), (630, 61678), (1260, 30839)]