72734720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{7103}}^1$

素因数の和:7130

約数の個数: 48

約数和(自身を含む): 174545280

約数和(自身を除く): 101810560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 7103, 10240, 14206, 28412, 35515, 56824, 71030, 113648, 142060, 227296, 284120, 454592, 568240, 909184, 1136480, 1818368, 2272960, 3636736, 4545920, 7273472, 9091840, 14546944, 18183680, 36367360, 72734720]

約数ペア:

[(1, 72734720), (2, 36367360), (4, 18183680), (5, 14546944), (8, 9091840), (10, 7273472), (16, 4545920), (20, 3636736), (32, 2272960), (40, 1818368), (64, 1136480), (80, 909184), (128, 568240), (160, 454592), (256, 284120), (320, 227296), (512, 142060), (640, 113648), (1024, 71030), (1280, 56824), (2048, 35515), (2560, 28412), (5120, 14206), (7103, 10240)]