406174720

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{1619}}^1$

素因数の和:1658

約数の個数: 132

約数和(自身を含む): 1134119880

約数和(自身を除く): 727945160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1280, 1568, 1619, 1792, 1960, 2240, 2560, 3136, 3238, 3584, 3920, 4480, 5120, 6272, 6476, 7168, 7840, 8095, 8960, 11333, 12544, 12952, 15680, 16190, 17920, 22666, 25088, 25904, 31360, 32380, 35840, 45332, 50176, 51808, 56665, 62720, 64760, 79331, 90664, 103616, 113330, 125440, 129520, 158662, 181328, 207232, 226660, 250880, 259040, 317324, 362656, 396655, 414464, 453320, 518080, 634648, 725312, 793310, 828928, 906640, 1036160, 1269296, 1450624, 1586620, 1657856, 1813280, 2072320, 2538592, 2901248, 3173240, 3626560, 4144640, 5077184, 5802496, 6346480, 7253120, 8289280, 10154368, 11604992, 12692960, 14506240, 20308736, 25385920, 29012480, 40617472, 50771840, 58024960, 81234944, 101543680, 203087360, 406174720]

約数ペア:

[(1, 406174720), (2, 203087360), (4, 101543680), (5, 81234944), (7, 58024960), (8, 50771840), (10, 40617472), (14, 29012480), (16, 25385920), (20, 20308736), (28, 14506240), (32, 12692960), (35, 11604992), (40, 10154368), (49, 8289280), (56, 7253120), (64, 6346480), (70, 5802496), (80, 5077184), (98, 4144640), (112, 3626560), (128, 3173240), (140, 2901248), (160, 2538592), (196, 2072320), (224, 1813280), (245, 1657856), (256, 1586620), (280, 1450624), (320, 1269296), (392, 1036160), (448, 906640), (490, 828928), (512, 793310), (560, 725312), (640, 634648), (784, 518080), (896, 453320), (980, 414464), (1024, 396655), (1120, 362656), (1280, 317324), (1568, 259040), (1619, 250880), (1792, 226660), (1960, 207232), (2240, 181328), (2560, 158662), (3136, 129520), (3238, 125440), (3584, 113330), (3920, 103616), (4480, 90664), (5120, 79331), (6272, 64760), (6476, 62720), (7168, 56665), (7840, 51808), (8095, 50176), (8960, 45332), (11333, 35840), (12544, 32380), (12952, 31360), (15680, 25904), (16190, 25088), (17920, 22666)]