21761246080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{156691}}^1$

素因数の和:156748

約数の個数: 128

約数和(自身を含む): 61373122560

約数和(自身を除く): 39611876480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 9920, 13888, 17360, 19840, 27776, 34720, 69440, 138880, 156691, 313382, 626764, 783455, 1096837, 1253528, 1566910, 2193674, 2507056, 3133820, 4387348, 4857421, 5014112, 5484185, 6267640, 8774696, 9714842, 10028224, 10968370, 12535280, 17549392, 19429684, 20056448, 21936740, 24287105, 25070560, 34001947, 35098784, 38859368, 43873480, 48574210, 50141120, 68003894, 70197568, 77718736, 87746960, 97148420, 100282240, 136007788, 140395136, 155437472, 170009735, 175493920, 194296840, 272015576, 310874944, 340019470, 350987840, 388593680, 544031152, 621749888, 680038940, 701975680, 777187360, 1088062304, 1360077880, 1554374720, 2176124608, 2720155760, 3108749440, 4352249216, 5440311520, 10880623040, 21761246080]

約数ペア:

[(1, 21761246080), (2, 10880623040), (4, 5440311520), (5, 4352249216), (7, 3108749440), (8, 2720155760), (10, 2176124608), (14, 1554374720), (16, 1360077880), (20, 1088062304), (28, 777187360), (31, 701975680), (32, 680038940), (35, 621749888), (40, 544031152), (56, 388593680), (62, 350987840), (64, 340019470), (70, 310874944), (80, 272015576), (112, 194296840), (124, 175493920), (128, 170009735), (140, 155437472), (155, 140395136), (160, 136007788), (217, 100282240), (224, 97148420), (248, 87746960), (280, 77718736), (310, 70197568), (320, 68003894), (434, 50141120), (448, 48574210), (496, 43873480), (560, 38859368), (620, 35098784), (640, 34001947), (868, 25070560), (896, 24287105), (992, 21936740), (1085, 20056448), (1120, 19429684), (1240, 17549392), (1736, 12535280), (1984, 10968370), (2170, 10028224), (2240, 9714842), (2480, 8774696), (3472, 6267640), (3968, 5484185), (4340, 5014112), (4480, 4857421), (4960, 4387348), (6944, 3133820), (8680, 2507056), (9920, 2193674), (13888, 1566910), (17360, 1253528), (19840, 1096837), (27776, 783455), (34720, 626764), (69440, 313382), (138880, 156691)]