8540640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{659}}^1$

素因数の和:686

約数の個数: 120

約数和(自身を含む): 30187080

約数和(自身を除く): 21646440

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, 659, 720, 810, 864, 1080, 1296, 1318, 1440, 1620, 1977, 2160, 2592, 2636, 3240, 3295, 3954, 4320, 5272, 5931, 6480, 6590, 7908, 9885, 10544, 11862, 12960, 13180, 15816, 17793, 19770, 21088, 23724, 26360, 29655, 31632, 35586, 39540, 47448, 52720, 53379, 59310, 63264, 71172, 79080, 88965, 94896, 105440, 106758, 118620, 142344, 158160, 177930, 189792, 213516, 237240, 266895, 284688, 316320, 355860, 427032, 474480, 533790, 569376, 711720, 854064, 948960, 1067580, 1423440, 1708128, 2135160, 2846880, 4270320, 8540640]

約数ペア:

[(1, 8540640), (2, 4270320), (3, 2846880), (4, 2135160), (5, 1708128), (6, 1423440), (8, 1067580), (9, 948960), (10, 854064), (12, 711720), (15, 569376), (16, 533790), (18, 474480), (20, 427032), (24, 355860), (27, 316320), (30, 284688), (32, 266895), (36, 237240), (40, 213516), (45, 189792), (48, 177930), (54, 158160), (60, 142344), (72, 118620), (80, 106758), (81, 105440), (90, 94896), (96, 88965), (108, 79080), (120, 71172), (135, 63264), (144, 59310), (160, 53379), (162, 52720), (180, 47448), (216, 39540), (240, 35586), (270, 31632), (288, 29655), (324, 26360), (360, 23724), (405, 21088), (432, 19770), (480, 17793), (540, 15816), (648, 13180), (659, 12960), (720, 11862), (810, 10544), (864, 9885), (1080, 7908), (1296, 6590), (1318, 6480), (1440, 5931), (1620, 5272), (1977, 4320), (2160, 3954), (2592, 3295), (2636, 3240)]