18260640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{1409}}^1$

素因数の和:1436

約数の個数: 120

約数和(自身を含む): 64490580

約数和(自身を除く): 46229940

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, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1409, 1440, 1620, 2160, 2592, 2818, 3240, 4227, 4320, 5636, 6480, 7045, 8454, 11272, 12681, 12960, 14090, 16908, 21135, 22544, 25362, 28180, 33816, 38043, 42270, 45088, 50724, 56360, 63405, 67632, 76086, 84540, 101448, 112720, 114129, 126810, 135264, 152172, 169080, 190215, 202896, 225440, 228258, 253620, 304344, 338160, 380430, 405792, 456516, 507240, 570645, 608688, 676320, 760860, 913032, 1014480, 1141290, 1217376, 1521720, 1826064, 2028960, 2282580, 3043440, 3652128, 4565160, 6086880, 9130320, 18260640]

約数ペア:

[(1, 18260640), (2, 9130320), (3, 6086880), (4, 4565160), (5, 3652128), (6, 3043440), (8, 2282580), (9, 2028960), (10, 1826064), (12, 1521720), (15, 1217376), (16, 1141290), (18, 1014480), (20, 913032), (24, 760860), (27, 676320), (30, 608688), (32, 570645), (36, 507240), (40, 456516), (45, 405792), (48, 380430), (54, 338160), (60, 304344), (72, 253620), (80, 228258), (81, 225440), (90, 202896), (96, 190215), (108, 169080), (120, 152172), (135, 135264), (144, 126810), (160, 114129), (162, 112720), (180, 101448), (216, 84540), (240, 76086), (270, 67632), (288, 63405), (324, 56360), (360, 50724), (405, 45088), (432, 42270), (480, 38043), (540, 33816), (648, 28180), (720, 25362), (810, 22544), (864, 21135), (1080, 16908), (1296, 14090), (1409, 12960), (1440, 12681), (1620, 11272), (2160, 8454), (2592, 7045), (2818, 6480), (3240, 5636), (4227, 4320)]