1279920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5333}}^1$

素因数の和:5349

約数の個数: 40

約数和(自身を含む): 3968496

約数和(自身を除く): 2688576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5333, 10666, 15999, 21332, 26665, 31998, 42664, 53330, 63996, 79995, 85328, 106660, 127992, 159990, 213320, 255984, 319980, 426640, 639960, 1279920]

約数ペア:

[(1, 1279920), (2, 639960), (3, 426640), (4, 319980), (5, 255984), (6, 213320), (8, 159990), (10, 127992), (12, 106660), (15, 85328), (16, 79995), (20, 63996), (24, 53330), (30, 42664), (40, 31998), (48, 26665), (60, 21332), (80, 15999), (120, 10666), (240, 5333)]