64761900

素因数分解:

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

素因数の和:30863

約数の個数: 72

約数和(自身を含む): 214152960

約数和(自身を除く): 149391060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 30839, 61678, 92517, 123356, 154195, 185034, 215873, 308390, 370068, 431746, 462585, 616780, 647619, 770975, 863492, 925170, 1079365, 1295238, 1541950, 1850340, 2158730, 2312925, 2590476, 3083900, 3238095, 4317460, 4625850, 5396825, 6476190, 9251700, 10793650, 12952380, 16190475, 21587300, 32380950, 64761900]

約数ペア:

[(1, 64761900), (2, 32380950), (3, 21587300), (4, 16190475), (5, 12952380), (6, 10793650), (7, 9251700), (10, 6476190), (12, 5396825), (14, 4625850), (15, 4317460), (20, 3238095), (21, 3083900), (25, 2590476), (28, 2312925), (30, 2158730), (35, 1850340), (42, 1541950), (50, 1295238), (60, 1079365), (70, 925170), (75, 863492), (84, 770975), (100, 647619), (105, 616780), (140, 462585), (150, 431746), (175, 370068), (210, 308390), (300, 215873), (350, 185034), (420, 154195), (525, 123356), (700, 92517), (1050, 61678), (2100, 30839)]