1804147920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80831}}^1$

素因数の和:80881

約数の個数: 120

約数和(自身を含む): 6254456832

約数和(自身を除く): 4450308912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 80831, 161662, 242493, 323324, 404155, 484986, 646648, 727479, 808310, 969972, 1212465, 1293296, 1454958, 1616620, 1939944, 2424930, 2505761, 2909916, 3233240, 3637395, 3879888, 4849860, 5011522, 5819832, 6466480, 7274790, 7517283, 9699720, 10023044, 11639664, 12528805, 14549580, 15034566, 19399440, 20046088, 22551849, 25057610, 29099160, 30069132, 37586415, 40092176, 45103698, 50115220, 58198320, 60138264, 75172830, 90207396, 100230440, 112759245, 120276528, 150345660, 180414792, 200460880, 225518490, 300691320, 360829584, 451036980, 601382640, 902073960, 1804147920]

約数ペア:

[(1, 1804147920), (2, 902073960), (3, 601382640), (4, 451036980), (5, 360829584), (6, 300691320), (8, 225518490), (9, 200460880), (10, 180414792), (12, 150345660), (15, 120276528), (16, 112759245), (18, 100230440), (20, 90207396), (24, 75172830), (30, 60138264), (31, 58198320), (36, 50115220), (40, 45103698), (45, 40092176), (48, 37586415), (60, 30069132), (62, 29099160), (72, 25057610), (80, 22551849), (90, 20046088), (93, 19399440), (120, 15034566), (124, 14549580), (144, 12528805), (155, 11639664), (180, 10023044), (186, 9699720), (240, 7517283), (248, 7274790), (279, 6466480), (310, 5819832), (360, 5011522), (372, 4849860), (465, 3879888), (496, 3637395), (558, 3233240), (620, 2909916), (720, 2505761), (744, 2424930), (930, 1939944), (1116, 1616620), (1240, 1454958), (1395, 1293296), (1488, 1212465), (1860, 969972), (2232, 808310), (2480, 727479), (2790, 646648), (3720, 484986), (4464, 404155), (5580, 323324), (7440, 242493), (11160, 161662), (22320, 80831)]