3891420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1691

約数の個数: 72

約数和(自身を含む): 12719616

約数和(自身を除く): 8828196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 1663, 2340, 3326, 4989, 6652, 8315, 9978, 14967, 16630, 19956, 21619, 24945, 29934, 33260, 43238, 49890, 59868, 64857, 74835, 86476, 99780, 108095, 129714, 149670, 194571, 216190, 259428, 299340, 324285, 389142, 432380, 648570, 778284, 972855, 1297140, 1945710, 3891420]

約数ペア:

[(1, 3891420), (2, 1945710), (3, 1297140), (4, 972855), (5, 778284), (6, 648570), (9, 432380), (10, 389142), (12, 324285), (13, 299340), (15, 259428), (18, 216190), (20, 194571), (26, 149670), (30, 129714), (36, 108095), (39, 99780), (45, 86476), (52, 74835), (60, 64857), (65, 59868), (78, 49890), (90, 43238), (117, 33260), (130, 29934), (156, 24945), (180, 21619), (195, 19956), (234, 16630), (260, 14967), (390, 9978), (468, 8315), (585, 6652), (780, 4989), (1170, 3326), (1663, 2340)]