1945710

素因数分解:

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

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 5451264

約数和(自身を除く): 3505554

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 1663, 3326, 4989, 8315, 9978, 14967, 16630, 21619, 24945, 29934, 43238, 49890, 64857, 74835, 108095, 129714, 149670, 194571, 216190, 324285, 389142, 648570, 972855, 1945710]

約数ペア:

[(1, 1945710), (2, 972855), (3, 648570), (5, 389142), (6, 324285), (9, 216190), (10, 194571), (13, 149670), (15, 129714), (18, 108095), (26, 74835), (30, 64857), (39, 49890), (45, 43238), (65, 29934), (78, 24945), (90, 21619), (117, 16630), (130, 14967), (195, 9978), (234, 8315), (390, 4989), (585, 3326), (1170, 1663)]