38545020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1087}}^1$

素因数の和:1299

約数の個数: 72

約数和(自身を含む): 117621504

約数和(自身を除く): 79076484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1087, 1182, 1773, 1970, 2174, 2364, 2955, 3261, 3546, 3940, 4348, 5435, 5910, 6522, 7092, 8865, 9783, 10870, 11820, 13044, 16305, 17730, 19566, 21740, 32610, 35460, 39132, 48915, 65220, 97830, 195660, 214139, 428278, 642417, 856556, 1070695, 1284834, 1927251, 2141390, 2569668, 3212085, 3854502, 4282780, 6424170, 7709004, 9636255, 12848340, 19272510, 38545020]

約数ペア:

[(1, 38545020), (2, 19272510), (3, 12848340), (4, 9636255), (5, 7709004), (6, 6424170), (9, 4282780), (10, 3854502), (12, 3212085), (15, 2569668), (18, 2141390), (20, 1927251), (30, 1284834), (36, 1070695), (45, 856556), (60, 642417), (90, 428278), (180, 214139), (197, 195660), (394, 97830), (591, 65220), (788, 48915), (985, 39132), (1087, 35460), (1182, 32610), (1773, 21740), (1970, 19566), (2174, 17730), (2364, 16305), (2955, 13044), (3261, 11820), (3546, 10870), (3940, 9783), (4348, 8865), (5435, 7092), (5910, 6522)]