19979465040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27749257}}^1$

素因数の和:27749276

約数の個数: 60

約数和(自身を含む): 67097705844

約数和(自身を除く): 47118240804

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, 27749257, 55498514, 83247771, 110997028, 138746285, 166495542, 221994056, 249743313, 277492570, 332991084, 416238855, 443988112, 499486626, 554985140, 665982168, 832477710, 998973252, 1109970280, 1248716565, 1331964336, 1664955420, 1997946504, 2219940560, 2497433130, 3329910840, 3995893008, 4994866260, 6659821680, 9989732520, 19979465040]

約数ペア:

[(1, 19979465040), (2, 9989732520), (3, 6659821680), (4, 4994866260), (5, 3995893008), (6, 3329910840), (8, 2497433130), (9, 2219940560), (10, 1997946504), (12, 1664955420), (15, 1331964336), (16, 1248716565), (18, 1109970280), (20, 998973252), (24, 832477710), (30, 665982168), (36, 554985140), (40, 499486626), (45, 443988112), (48, 416238855), (60, 332991084), (72, 277492570), (80, 249743313), (90, 221994056), (120, 166495542), (144, 138746285), (180, 110997028), (240, 83247771), (360, 55498514), (720, 27749257)]