319085280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{221587}}^1$

素因数の和:221608

約数の個数: 72

約数和(自身を含む): 1088883432

約数和(自身を除く): 769798152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 221587, 443174, 664761, 886348, 1107935, 1329522, 1772696, 1994283, 2215870, 2659044, 3323805, 3545392, 3988566, 4431740, 5318088, 6647610, 7090784, 7977132, 8863480, 9971415, 10636176, 13295220, 15954264, 17726960, 19942830, 21272352, 26590440, 31908528, 35453920, 39885660, 53180880, 63817056, 79771320, 106361760, 159542640, 319085280]

約数ペア:

[(1, 319085280), (2, 159542640), (3, 106361760), (4, 79771320), (5, 63817056), (6, 53180880), (8, 39885660), (9, 35453920), (10, 31908528), (12, 26590440), (15, 21272352), (16, 19942830), (18, 17726960), (20, 15954264), (24, 13295220), (30, 10636176), (32, 9971415), (36, 8863480), (40, 7977132), (45, 7090784), (48, 6647610), (60, 5318088), (72, 4431740), (80, 3988566), (90, 3545392), (96, 3323805), (120, 2659044), (144, 2215870), (160, 1994283), (180, 1772696), (240, 1329522), (288, 1107935), (360, 886348), (480, 664761), (720, 443174), (1440, 221587)]