2808897840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{557321}}^1$

素因数の和:557347

約数の個数: 120

約数和(自身を含む): 10780836768

約数和(自身を除く): 7971938928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 557321, 1114642, 1671963, 2229284, 2786605, 3343926, 3901247, 4458568, 5015889, 5573210, 6687852, 7802494, 8359815, 8917136, 10031778, 11146420, 11703741, 13375704, 15604988, 16719630, 19506235, 20063556, 22292840, 23407482, 25079445, 26751408, 31209976, 33439260, 35111223, 39012470, 40127112, 44585680, 46814964, 50158890, 58518705, 62419952, 66878520, 70222446, 78024940, 80254224, 93629928, 100317780, 117037410, 133757040, 140444892, 156049880, 175556115, 187259856, 200635560, 234074820, 280889784, 312099760, 351112230, 401271120, 468149640, 561779568, 702224460, 936299280, 1404448920, 2808897840]

約数ペア:

[(1, 2808897840), (2, 1404448920), (3, 936299280), (4, 702224460), (5, 561779568), (6, 468149640), (7, 401271120), (8, 351112230), (9, 312099760), (10, 280889784), (12, 234074820), (14, 200635560), (15, 187259856), (16, 175556115), (18, 156049880), (20, 140444892), (21, 133757040), (24, 117037410), (28, 100317780), (30, 93629928), (35, 80254224), (36, 78024940), (40, 70222446), (42, 66878520), (45, 62419952), (48, 58518705), (56, 50158890), (60, 46814964), (63, 44585680), (70, 40127112), (72, 39012470), (80, 35111223), (84, 33439260), (90, 31209976), (105, 26751408), (112, 25079445), (120, 23407482), (126, 22292840), (140, 20063556), (144, 19506235), (168, 16719630), (180, 15604988), (210, 13375704), (240, 11703741), (252, 11146420), (280, 10031778), (315, 8917136), (336, 8359815), (360, 7802494), (420, 6687852), (504, 5573210), (560, 5015889), (630, 4458568), (720, 3901247), (840, 3343926), (1008, 2786605), (1260, 2229284), (1680, 1671963), (2520, 1114642), (5040, 557321)]