254774640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1061561}}^1$

素因数の和:1061577

約数の個数: 40

約数和(自身を含む): 789802128

約数和(自身を除く): 535027488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1061561, 2123122, 3184683, 4246244, 5307805, 6369366, 8492488, 10615610, 12738732, 15923415, 16984976, 21231220, 25477464, 31846830, 42462440, 50954928, 63693660, 84924880, 127387320, 254774640]

約数ペア:

[(1, 254774640), (2, 127387320), (3, 84924880), (4, 63693660), (5, 50954928), (6, 42462440), (8, 31846830), (10, 25477464), (12, 21231220), (15, 16984976), (16, 15923415), (20, 12738732), (24, 10615610), (30, 8492488), (40, 6369366), (48, 5307805), (60, 4246244), (80, 3184683), (120, 2123122), (240, 1061561)]