87451920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{40487}}^1$

素因数の和:40509

約数の個数: 80

約数和(自身を含む): 301230720

約数和(自身を除く): 213778800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 40487, 80974, 121461, 161948, 202435, 242922, 323896, 364383, 404870, 485844, 607305, 647792, 728766, 809740, 971688, 1093149, 1214610, 1457532, 1619480, 1821915, 1943376, 2186298, 2429220, 2915064, 3238960, 3643830, 4372596, 4858440, 5465745, 5830128, 7287660, 8745192, 9716880, 10931490, 14575320, 17490384, 21862980, 29150640, 43725960, 87451920]

約数ペア:

[(1, 87451920), (2, 43725960), (3, 29150640), (4, 21862980), (5, 17490384), (6, 14575320), (8, 10931490), (9, 9716880), (10, 8745192), (12, 7287660), (15, 5830128), (16, 5465745), (18, 4858440), (20, 4372596), (24, 3643830), (27, 3238960), (30, 2915064), (36, 2429220), (40, 2186298), (45, 1943376), (48, 1821915), (54, 1619480), (60, 1457532), (72, 1214610), (80, 1093149), (90, 971688), (108, 809740), (120, 728766), (135, 647792), (144, 607305), (180, 485844), (216, 404870), (240, 364383), (270, 323896), (360, 242922), (432, 202435), (540, 161948), (720, 121461), (1080, 80974), (2160, 40487)]