164815920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{228911}}^1$

素因数の和:228930

約数の個数: 60

約数和(自身を含む): 553509216

約数和(自身を除く): 388693296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 228911, 457822, 686733, 915644, 1144555, 1373466, 1831288, 2060199, 2289110, 2746932, 3433665, 3662576, 4120398, 4578220, 5493864, 6867330, 8240796, 9156440, 10300995, 10987728, 13734660, 16481592, 18312880, 20601990, 27469320, 32963184, 41203980, 54938640, 82407960, 164815920]

約数ペア:

[(1, 164815920), (2, 82407960), (3, 54938640), (4, 41203980), (5, 32963184), (6, 27469320), (8, 20601990), (9, 18312880), (10, 16481592), (12, 13734660), (15, 10987728), (16, 10300995), (18, 9156440), (20, 8240796), (24, 6867330), (30, 5493864), (36, 4578220), (40, 4120398), (45, 3662576), (48, 3433665), (60, 2746932), (72, 2289110), (80, 2060199), (90, 1831288), (120, 1373466), (144, 1144555), (180, 915644), (240, 686733), (360, 457822), (720, 228911)]