87784960

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:723

約数の個数: 80

約数和(自身を含む): 214780896

約数和(自身を除く): 126995936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 647, 848, 1060, 1280, 1294, 1696, 2120, 2560, 2588, 3235, 3392, 4240, 5176, 6470, 6784, 8480, 10352, 12940, 13568, 16960, 20704, 25880, 27136, 33920, 34291, 41408, 51760, 67840, 68582, 82816, 103520, 135680, 137164, 165632, 171455, 207040, 274328, 331264, 342910, 414080, 548656, 685820, 828160, 1097312, 1371640, 1656320, 2194624, 2743280, 4389248, 5486560, 8778496, 10973120, 17556992, 21946240, 43892480, 87784960]

約数ペア:

[(1, 87784960), (2, 43892480), (4, 21946240), (5, 17556992), (8, 10973120), (10, 8778496), (16, 5486560), (20, 4389248), (32, 2743280), (40, 2194624), (53, 1656320), (64, 1371640), (80, 1097312), (106, 828160), (128, 685820), (160, 548656), (212, 414080), (256, 342910), (265, 331264), (320, 274328), (424, 207040), (512, 171455), (530, 165632), (640, 137164), (647, 135680), (848, 103520), (1060, 82816), (1280, 68582), (1294, 67840), (1696, 51760), (2120, 41408), (2560, 34291), (2588, 33920), (3235, 27136), (3392, 25880), (4240, 20704), (5176, 16960), (6470, 13568), (6784, 12940), (8480, 10352)]