30206720

素因数分解:

$2^8\times 5^1\times {\mathrm{23599}}^1$

素因数の和:23620

約数の個数: 36

約数和(自身を含む): 72357600

約数和(自身を除く): 42150880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 23599, 47198, 94396, 117995, 188792, 235990, 377584, 471980, 755168, 943960, 1510336, 1887920, 3020672, 3775840, 6041344, 7551680, 15103360, 30206720]

約数ペア:

[(1, 30206720), (2, 15103360), (4, 7551680), (5, 6041344), (8, 3775840), (10, 3020672), (16, 1887920), (20, 1510336), (32, 943960), (40, 755168), (64, 471980), (80, 377584), (128, 235990), (160, 188792), (256, 117995), (320, 94396), (640, 47198), (1280, 23599)]