255572640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{177481}}^1$

素因数の和:177502

約数の個数: 72

約数和(自身を含む): 872146548

約数和(自身を除く): 616573908

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, 177481, 354962, 532443, 709924, 887405, 1064886, 1419848, 1597329, 1774810, 2129772, 2662215, 2839696, 3194658, 3549620, 4259544, 5324430, 5679392, 6389316, 7099240, 7986645, 8519088, 10648860, 12778632, 14198480, 15973290, 17038176, 21297720, 25557264, 28396960, 31946580, 42595440, 51114528, 63893160, 85190880, 127786320, 255572640]

約数ペア:

[(1, 255572640), (2, 127786320), (3, 85190880), (4, 63893160), (5, 51114528), (6, 42595440), (8, 31946580), (9, 28396960), (10, 25557264), (12, 21297720), (15, 17038176), (16, 15973290), (18, 14198480), (20, 12778632), (24, 10648860), (30, 8519088), (32, 7986645), (36, 7099240), (40, 6389316), (45, 5679392), (48, 5324430), (60, 4259544), (72, 3549620), (80, 3194658), (90, 2839696), (96, 2662215), (120, 2129772), (144, 1774810), (160, 1597329), (180, 1419848), (240, 1064886), (288, 887405), (360, 709924), (480, 532443), (720, 354962), (1440, 177481)]