401199840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{278611}}^1$

素因数の和:278632

約数の個数: 72

約数和(自身を含む): 1369099368

約数和(自身を除く): 967899528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 278611, 557222, 835833, 1114444, 1393055, 1671666, 2228888, 2507499, 2786110, 3343332, 4179165, 4457776, 5014998, 5572220, 6686664, 8358330, 8915552, 10029996, 11144440, 12537495, 13373328, 16716660, 20059992, 22288880, 25074990, 26746656, 33433320, 40119984, 44577760, 50149980, 66866640, 80239968, 100299960, 133733280, 200599920, 401199840]

約数ペア:

[(1, 401199840), (2, 200599920), (3, 133733280), (4, 100299960), (5, 80239968), (6, 66866640), (8, 50149980), (9, 44577760), (10, 40119984), (12, 33433320), (15, 26746656), (16, 25074990), (18, 22288880), (20, 20059992), (24, 16716660), (30, 13373328), (32, 12537495), (36, 11144440), (40, 10029996), (45, 8915552), (48, 8358330), (60, 6686664), (72, 5572220), (80, 5014998), (90, 4457776), (96, 4179165), (120, 3343332), (144, 2786110), (160, 2507499), (180, 2228888), (240, 1671666), (288, 1393055), (360, 1114444), (480, 835833), (720, 557222), (1440, 278611)]