19991777040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{27766357}}^1$

素因数の和:27766376

約数の個数: 60

約数和(自身を含む): 67139053644

約数和(自身を除く): 47147276604

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, 27766357, 55532714, 83299071, 111065428, 138831785, 166598142, 222130856, 249897213, 277663570, 333196284, 416495355, 444261712, 499794426, 555327140, 666392568, 832990710, 999588852, 1110654280, 1249486065, 1332785136, 1665981420, 1999177704, 2221308560, 2498972130, 3331962840, 3998355408, 4997944260, 6663925680, 9995888520, 19991777040]

約数ペア:

[(1, 19991777040), (2, 9995888520), (3, 6663925680), (4, 4997944260), (5, 3998355408), (6, 3331962840), (8, 2498972130), (9, 2221308560), (10, 1999177704), (12, 1665981420), (15, 1332785136), (16, 1249486065), (18, 1110654280), (20, 999588852), (24, 832990710), (30, 666392568), (36, 555327140), (40, 499794426), (45, 444261712), (48, 416495355), (60, 333196284), (72, 277663570), (80, 249897213), (90, 222130856), (120, 166598142), (144, 138831785), (180, 111065428), (240, 83299071), (360, 55532714), (720, 27766357)]