681916320

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{17539}}^1$

素因数の和:17569

約数の個数: 144

約数和(自身を含む): 2413363680

約数和(自身を除く): 1731447360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 17539, 19440, 35078, 38880, 52617, 70156, 87695, 105234, 140312, 157851, 175390, 210468, 263085, 280624, 315702, 350780, 420936, 473553, 526170, 561248, 631404, 701560, 789255, 841872, 947106, 1052340, 1262808, 1403120, 1420659, 1578510, 1683744, 1894212, 2104680, 2367765, 2525616, 2806240, 2841318, 3157020, 3788424, 4209360, 4261977, 4735530, 5051232, 5682636, 6314040, 7103295, 7576848, 8418720, 8523954, 9471060, 11365272, 12628080, 14206590, 15153696, 17047908, 18942120, 21309885, 22730544, 25256160, 28413180, 34095816, 37884240, 42619770, 45461088, 56826360, 68191632, 75768480, 85239540, 113652720, 136383264, 170479080, 227305440, 340958160, 681916320]

約数ペア:

[(1, 681916320), (2, 340958160), (3, 227305440), (4, 170479080), (5, 136383264), (6, 113652720), (8, 85239540), (9, 75768480), (10, 68191632), (12, 56826360), (15, 45461088), (16, 42619770), (18, 37884240), (20, 34095816), (24, 28413180), (27, 25256160), (30, 22730544), (32, 21309885), (36, 18942120), (40, 17047908), (45, 15153696), (48, 14206590), (54, 12628080), (60, 11365272), (72, 9471060), (80, 8523954), (81, 8418720), (90, 7576848), (96, 7103295), (108, 6314040), (120, 5682636), (135, 5051232), (144, 4735530), (160, 4261977), (162, 4209360), (180, 3788424), (216, 3157020), (240, 2841318), (243, 2806240), (270, 2525616), (288, 2367765), (324, 2104680), (360, 1894212), (405, 1683744), (432, 1578510), (480, 1420659), (486, 1403120), (540, 1262808), (648, 1052340), (720, 947106), (810, 841872), (864, 789255), (972, 701560), (1080, 631404), (1215, 561248), (1296, 526170), (1440, 473553), (1620, 420936), (1944, 350780), (2160, 315702), (2430, 280624), (2592, 263085), (3240, 210468), (3888, 175390), (4320, 157851), (4860, 140312), (6480, 105234), (7776, 87695), (9720, 70156), (12960, 52617), (17539, 38880), (19440, 35078)]