329580560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67537}}^1$

素因数の和:67611

約数の個数: 40

約数和(自身を含む): 778848216

約数和(自身を除く): 449267656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 67537, 135074, 270148, 337685, 540296, 675370, 1080592, 1350740, 2701480, 4119757, 5402960, 8239514, 16479028, 20598785, 32958056, 41197570, 65916112, 82395140, 164790280, 329580560]

約数ペア:

[(1, 329580560), (2, 164790280), (4, 82395140), (5, 65916112), (8, 41197570), (10, 32958056), (16, 20598785), (20, 16479028), (40, 8239514), (61, 5402960), (80, 4119757), (122, 2701480), (244, 1350740), (305, 1080592), (488, 675370), (610, 540296), (976, 337685), (1220, 270148), (2440, 135074), (4880, 67537)]