1639140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1607}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 4862592

約数和(自身を除く): 3223452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 1607, 3214, 4821, 6428, 8035, 9642, 16070, 19284, 24105, 27319, 32140, 48210, 54638, 81957, 96420, 109276, 136595, 163914, 273190, 327828, 409785, 546380, 819570, 1639140]

約数ペア:

[(1, 1639140), (2, 819570), (3, 546380), (4, 409785), (5, 327828), (6, 273190), (10, 163914), (12, 136595), (15, 109276), (17, 96420), (20, 81957), (30, 54638), (34, 48210), (51, 32140), (60, 27319), (68, 24105), (85, 19284), (102, 16070), (170, 9642), (204, 8035), (255, 6428), (340, 4821), (510, 3214), (1020, 1607)]